Merge branch 'sverker/add-since-doc/OTP-15460' into maint

* sverker/add-since-doc/OTP-15460:
  Fill in since for multi-clause functions in erlang.erl
  Fix since attribute for troubled function docs
  Add empty 'since' attribute for old modules and functions
  Add since attribute to dtd
  Add "since" attributes in xml for new functions and modules
  erl_docgen: Generate "since" OTP version in html
  erl_interface: Fix doc for return type 'struct hostent'

1 files changed, 386 insertions, 386 deletions

diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 8e014c3010..a42323b13d 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -29,7 +29,7 @@
     <rev></rev>
     <file>erlang.xml</file>
   </header>
-  <module>erlang</module>
+  <module since="">erlang</module>
   <modulesummary>The Erlang BIFs.</modulesummary>
   <description>
     <p>By convention, most Built-In Functions (BIFs) are included
@@ -210,8 +210,8 @@
 
   <funcs>
     <func>
-      <name name="abs" arity="1" clause_i="1"/>
-      <name name="abs" arity="1" clause_i="2"/>
+      <name name="abs" arity="1" clause_i="1" since=""/>
+      <name name="abs" arity="1" clause_i="2" since=""/>
       <fsummary>Arithmetical absolute value.</fsummary>
       <desc>
         <p>Returns an integer or float that is the arithmetical
@@ -227,7 +227,7 @@
     </func>
 
     <func>
-      <name name="adler32" arity="1"/>
+      <name name="adler32" arity="1" since=""/>
       <fsummary>Compute adler32 checksum.</fsummary>
       <desc>
         <p>Computes and returns the adler32 checksum for
@@ -236,7 +236,7 @@
     </func>
 
     <func>
-      <name name="adler32" arity="2"/>
+      <name name="adler32" arity="2" since=""/>
       <fsummary>Compute adler32 checksum.</fsummary>
       <desc>
         <p>Continues computing the adler32 checksum by combining 
@@ -253,7 +253,7 @@ Y = erlang:adler32([Data1,Data2]).</code>
     </func>
 
     <func>
-      <name name="adler32_combine" arity="3"/>
+      <name name="adler32_combine" arity="3" since=""/>
       <fsummary>Combine two adler32 checksums.</fsummary>
       <desc>
         <p>Combines two previously computed adler32 checksums.
@@ -272,7 +272,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="append_element" arity="2"/>
+      <name name="append_element" arity="2" since=""/>
       <fsummary>Append an extra element to a tuple.</fsummary>
       <desc>
         <p>Returns a new tuple that has one element more than
@@ -289,7 +289,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="apply" arity="2"/>
+      <name name="apply" arity="2" since=""/>
       <fsummary>Apply a function to an argument list.</fsummary>
       <desc>
         <p>Calls a fun, passing the elements in <c><anno>Args</anno></c>
@@ -307,7 +307,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="apply" arity="3"/>
+      <name name="apply" arity="3" since=""/>
       <fsummary>Apply a function to an argument list.</fsummary>
       <desc>
         <p>Returns the result of applying <c>Function</c> in
@@ -337,7 +337,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="atom_to_binary" arity="2"/>
+      <name name="atom_to_binary" arity="2" since=""/>
       <fsummary>Return the binary representation of an atom.</fsummary>
       <desc>
         <p>Returns a binary corresponding to the text
@@ -362,7 +362,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="atom_to_list" arity="1"/>
+      <name name="atom_to_list" arity="1" since=""/>
       <fsummary>Text representation of an atom.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -374,7 +374,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_part" arity="2"/>
+      <name name="binary_part" arity="2" since="OTP R14B"/>
       <fsummary>Extract a part of a binary.</fsummary>
       <desc>
       <p>Extracts the part of the binary described by
@@ -399,7 +399,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_part" arity="3"/>
+      <name name="binary_part" arity="3" since="OTP R14B"/>
       <fsummary>Extract a part of a binary.</fsummary>
       <desc>
       <p>The same as <c>binary_part(<anno>Subject</anno>,
@@ -409,7 +409,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_atom" arity="2"/>
+      <name name="binary_to_atom" arity="2" since=""/>
       <fsummary>Convert from text representation to an atom.</fsummary>
       <desc>
         <p>Returns the atom whose text representation is
@@ -438,7 +438,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_existing_atom" arity="2"/>
+      <name name="binary_to_existing_atom" arity="2" since=""/>
       <fsummary>Convert from text representation to an atom.</fsummary>
       <desc>
         <p>As
@@ -459,7 +459,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_float" arity="1"/>
+      <name name="binary_to_float" arity="1" since="OTP R16B"/>
       <fsummary>Convert from text representation to a float.</fsummary>
       <desc>
         <p>Returns the float whose text representation is
@@ -473,7 +473,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_integer" arity="1"/>
+      <name name="binary_to_integer" arity="1" since="OTP R16B"/>
       <fsummary>Convert from text representation to an integer.</fsummary>
       <desc>
         <p>Returns an integer whose text representation is
@@ -487,7 +487,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_integer" arity="2"/>
+      <name name="binary_to_integer" arity="2" since="OTP R16B"/>
       <fsummary>Convert from text representation to an integer.</fsummary>
       <desc>
         <p>Returns an integer whose text representation in base
@@ -502,7 +502,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_list" arity="1"/>
+      <name name="binary_to_list" arity="1" since=""/>
       <fsummary>Convert a binary to a list.</fsummary>
       <desc>
         <p>Returns a list of integers corresponding to the bytes of
@@ -511,7 +511,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_list" arity="3"/>
+      <name name="binary_to_list" arity="3" since=""/>
       <fsummary>Convert part of a binary to a list.</fsummary>
       <type_desc variable="Start">1..byte_size(<c><anno>Binary</anno></c>)
       </type_desc>
@@ -533,7 +533,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="binary_to_term" arity="1"/>
+      <name name="binary_to_term" arity="1" since=""/>
       <fsummary>Decode an Erlang external term format binary.</fsummary>
       <desc>
         <p>Returns an Erlang term that is the result of decoding
@@ -559,7 +559,7 @@ hello
     </func>
 
     <func>
-      <name name="binary_to_term" arity="2"/>
+      <name name="binary_to_term" arity="2" since="OTP R13B04"/>
       <fsummary>Decode an Erlang external term format binary.</fsummary>
       <desc>
         <p>As <c>binary_to_term/1</c>, but takes these options:</p>
@@ -613,7 +613,7 @@ hello
     </func>
 
     <func>
-      <name name="bit_size" arity="1"/>
+      <name name="bit_size" arity="1" since=""/>
       <fsummary>Return the size of a bitstring.</fsummary>
       <desc>
         <p>Returns an integer that is the size in bits of
@@ -628,7 +628,7 @@ hello
     </func>
 
     <func>
-      <name name="bitstring_to_list" arity="1"/>
+      <name name="bitstring_to_list" arity="1" since=""/>
       <fsummary>Convert a bitstring to a list.</fsummary>
       <desc>
         <p>Returns a list of integers corresponding to the bytes of
@@ -639,7 +639,7 @@ hello
     </func>
 
     <func>
-      <name name="bump_reductions" arity="1"/>
+      <name name="bump_reductions" arity="1" since=""/>
       <fsummary>Increment the reduction counter.</fsummary>
       <desc>
         <p>This implementation-dependent function increments
@@ -657,7 +657,7 @@ hello
     </func>
 
     <func>
-      <name name="byte_size" arity="1"/>
+      <name name="byte_size" arity="1" since=""/>
       <fsummary>Return the size of a bitstring (or binary).</fsummary>
       <desc>
         <p>Returns an integer that is the number of bytes needed to
@@ -674,7 +674,7 @@ hello
     </func>
 
     <func>
-      <name name="cancel_timer" arity="1"/>
+      <name name="cancel_timer" arity="1" since=""/>
       <fsummary>Cancel a timer.</fsummary>
       <desc>
         <p>Cancels a timer. The same as calling
@@ -684,7 +684,7 @@ hello
     </func>
 
     <func>
-      <name name="cancel_timer" arity="2"/>
+      <name name="cancel_timer" arity="2" since="OTP 18.0"/>
       <fsummary>Cancel a timer.</fsummary>
       <desc>
         <p>Cancels a timer that has been created by
@@ -766,7 +766,7 @@ hello
     </func>
 
     <func>
-      <name name="ceil" arity="1"/>
+      <name name="ceil" arity="1" since="OTP 20.0"/>
       <fsummary>Returns the smallest integer not less than the argument</fsummary>
       <desc>
         <p>Returns the smallest integer not less than
@@ -779,7 +779,7 @@ hello
       </desc>
     </func>
     <func>
-      <name name="check_old_code" arity="1"/>
+      <name name="check_old_code" arity="1" since="OTP R14B04"/>
       <fsummary>Check if a module has old code.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Module</anno></c> has old code,
@@ -790,7 +790,7 @@ hello
     </func>
 
     <func>
-      <name name="check_process_code" arity="2"/>
+      <name name="check_process_code" arity="2" since=""/>
       <fsummary>Check if a process executes old code for a module.</fsummary>
       <desc>
         <p>The same as
@@ -801,7 +801,7 @@ hello
     </func>
 
     <func>
-      <name name="check_process_code" arity="3"/>
+      <name name="check_process_code" arity="3" since="OTP 17.0"/>
       <fsummary>Check if a process executes old code for a module.</fsummary>
       <desc>
         <p>Checks if the node local process identified by
@@ -904,7 +904,7 @@ hello
     </func>
 
     <func>
-      <name name="convert_time_unit" arity="3"/>
+      <name name="convert_time_unit" arity="3" since="OTP 18.0"/>
       <fsummary>Convert time unit of a time value.</fsummary>
       <desc>
         <p>Converts the <c><anno>Time</anno></c> value of time unit
@@ -922,7 +922,7 @@ hello
     </func>
 
     <func>
-      <name name="crc32" arity="1"/>
+      <name name="crc32" arity="1" since=""/>
       <fsummary>Compute crc32 (IEEE 802.3) checksum.</fsummary>
       <desc>
         <p>Computes and returns the crc32 (IEEE 802.3 style) checksum
@@ -931,7 +931,7 @@ hello
     </func>
 
     <func>
-      <name name="crc32" arity="2"/>
+      <name name="crc32" arity="2" since=""/>
       <fsummary>Compute crc32 (IEEE 802.3) checksum.</fsummary>
       <desc>
         <p>Continues computing the crc32 checksum by combining
@@ -948,7 +948,7 @@ Y = erlang:crc32([Data1,Data2]).</code>
     </func>
 
     <func>
-      <name name="crc32_combine" arity="3"/>
+      <name name="crc32_combine" arity="3" since=""/>
       <fsummary>Combine two crc32 (IEEE 802.3) checksums.</fsummary>
       <desc>
         <p>Combines two previously computed crc32 checksums.
@@ -967,7 +967,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="date" arity="0"/>
+      <name name="date" arity="0" since=""/>
       <fsummary>Current date.</fsummary>
       <desc>
         <p>Returns the current date as <c>{Year, Month, Day}</c>.</p>
@@ -980,7 +980,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="decode_packet" arity="3"/>
+      <name name="decode_packet" arity="3" since=""/>
       <fsummary>Extract a protocol packet from a binary.</fsummary>
       <desc>
         <p>Decodes the binary <c><anno>Bin</anno></c> according to the packet
@@ -1090,7 +1090,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="delete_element" arity="2"/>
+      <name name="delete_element" arity="2" since="OTP R16B"/>
       <fsummary>Delete element at index in a tuple.</fsummary>
       <type_desc variable="Index">1..tuple_size(<anno>Tuple1</anno>)</type_desc>
       <desc>
@@ -1103,7 +1103,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="delete_module" arity="1"/>
+      <name name="delete_module" arity="1" since=""/>
       <fsummary>Make the current code for a module old.</fsummary>
       <desc>
         <p>Makes the current code for <c><anno>Module</anno></c> become old
@@ -1121,7 +1121,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="demonitor" arity="1"/>
+      <name name="demonitor" arity="1" since=""/>
       <fsummary>Stop monitoring.</fsummary>
       <desc>
         <p>If <c><anno>MonitorRef</anno></c> is a reference that the
@@ -1163,7 +1163,7 @@ Z = erlang:crc32_combine(X,Y,iolist_size(Data2)).</code>
     </func>
 
     <func>
-      <name name="demonitor" arity="2"/>
+      <name name="demonitor" arity="2" since=""/>
       <fsummary>Stop monitoring.</fsummary>
       <desc>
         <p>The returned value is <c>true</c> unless <c>info</c> is part
@@ -1231,7 +1231,7 @@ end</code>
     </func>
 
     <func>
-      <name name="disconnect_node" arity="1"/>
+      <name name="disconnect_node" arity="1" since=""/>
       <fsummary>Force the disconnection of a node.</fsummary>
       <desc>
         <p>Forces the disconnection of a node. This appears to
@@ -1245,7 +1245,7 @@ end</code>
     </func>
 
     <func>
-      <name name="display" arity="1"/>
+      <name name="display" arity="1" since=""/>
       <fsummary>Print a term on standard output.</fsummary>
       <desc>
         <p>Prints a text representation of <c><anno>Term</anno></c> on the
@@ -1257,7 +1257,7 @@ end</code>
     </func>
 
     <func>
-      <name name="dist_ctrl_get_data" arity="1"/>
+      <name name="dist_ctrl_get_data" arity="1" since="OTP 21.0"/>
       <fsummary>Get distribution channel data to pass to another node.</fsummary>
       <desc>
         <p>
@@ -1290,7 +1290,7 @@ end</code>
     </func>
 
     <func>
-      <name name="dist_ctrl_get_data_notification" arity="1"/>
+      <name name="dist_ctrl_get_data_notification" arity="1" since="OTP 21.0"/>
       <fsummary>Request notification about available outgoing distribution channel data.</fsummary>
       <desc>
         <p>
@@ -1326,7 +1326,7 @@ end</code>
     </func>
 
     <func>
-      <name name="dist_ctrl_input_handler" arity="2"/>
+      <name name="dist_ctrl_input_handler" arity="2" since="OTP 21.0"/>
       <fsummary>Register distribution channel input handler process.</fsummary>
       <desc>
         <p>
@@ -1359,7 +1359,7 @@ end</code>
     </func>
 
     <func>
-      <name name="dist_ctrl_put_data" arity="2"/>
+      <name name="dist_ctrl_put_data" arity="2" since="OTP 21.0"/>
       <fsummary>Pass data into the VM from a distribution channel.</fsummary>
       <desc>
         <p>
@@ -1392,7 +1392,7 @@ end</code>
     </func>
 
     <func>
-      <name name="element" arity="2"/>
+      <name name="element" arity="2" since=""/>
       <fsummary>Return the Nth element of a tuple.</fsummary>
       <type_desc variable="N">1..tuple_size(<anno>Tuple</anno>)</type_desc>
       <desc>
@@ -1406,7 +1406,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="erase" arity="0"/>
+      <name name="erase" arity="0" since=""/>
       <fsummary>Return and delete the process dictionary.</fsummary>
       <desc>
         <p>Returns the process dictionary and deletes it, for
@@ -1420,7 +1420,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="erase" arity="1"/>
+      <name name="erase" arity="1" since=""/>
       <fsummary>Return and delete a value from the process dictionary.
       </fsummary>
       <desc>
@@ -1437,7 +1437,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="error" arity="1"/>
+      <name name="error" arity="1" since=""/>
       <fsummary>Stop execution with a specified reason.</fsummary>
       <desc>
         <p>Stops the execution of the calling process with the reason
@@ -1461,7 +1461,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="error" arity="2"/>
+      <name name="error" arity="2" since=""/>
       <fsummary>Stop execution with a specified reason.</fsummary>
       <desc>
         <p>Stops the execution of the calling process with the reason
@@ -1478,7 +1478,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="exit" arity="1"/>
+      <name name="exit" arity="1" since=""/>
       <fsummary>Stop execution with a specified reason.</fsummary>
       <desc>
         <p>Stops the execution of the calling process with exit reason
@@ -1495,7 +1495,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="exit" arity="2"/>
+      <name name="exit" arity="2" since=""/>
       <fsummary>Send an exit signal to a process or a port.</fsummary>
       <desc>
         <p>Sends an exit signal with exit reason <c><anno>Reason</anno></c> to
@@ -1531,7 +1531,7 @@ b</pre>
     </func>
 
     <func>
-      <name name="external_size" arity="1"/>
+      <name name="external_size" arity="1" since="OTP R14B04"/>
       <fsummary>Calculate the maximum size for a term encoded in the Erlang
         external term format.</fsummary>
       <desc>
@@ -1550,7 +1550,7 @@ erlang:external_size(<anno>Term</anno>, [])</code>
     </func>
 
     <func>
-      <name name="external_size" arity="2"/>
+      <name name="external_size" arity="2" since="OTP R14B04"/>
       <fsummary>Calculate the maximum size for a term encoded in the Erlang
         external term format.</fsummary>
       <desc>
@@ -1570,7 +1570,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="float" arity="1"/>
+      <name name="float" arity="1" since=""/>
       <fsummary>Convert a number to a float.</fsummary>
       <desc>
         <p>Returns a float by converting <c><anno>Number</anno></c> to a float,
@@ -1592,7 +1592,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="float_to_binary" arity="1"/>
+      <name name="float_to_binary" arity="1" since="OTP R16B"/>
       <fsummary>Text representation of a float.</fsummary>
       <desc>
         <p>The same as
@@ -1601,7 +1601,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="float_to_binary" arity="2"/>
+      <name name="float_to_binary" arity="2" since="OTP R16B"/>
       <fsummary>Text representation of a float formatted using specified
         options.</fsummary>
       <desc>
@@ -1619,7 +1619,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="float_to_list" arity="1"/>
+      <name name="float_to_list" arity="1" since=""/>
       <fsummary>Text representation of a float.</fsummary>
       <desc>
         <p>The same as
@@ -1628,7 +1628,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="float_to_list" arity="2"/>
+      <name name="float_to_list" arity="2" since="OTP R16B"/>
       <fsummary>Text representation of a float formatted using specified
         options.</fsummary>
       <desc>
@@ -1664,7 +1664,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="floor" arity="1"/>
+      <name name="floor" arity="1" since="OTP 20.0"/>
       <fsummary>Returns the largest integer not greater than the argument</fsummary>
       <desc>
         <p>Returns the largest integer not greater than
@@ -1678,7 +1678,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="fun_info" arity="1"/>
+      <name name="fun_info" arity="1" since=""/>
       <fsummary>Information about a fun.</fsummary>
       <desc>
         <p>Returns a list with information about the fun
@@ -1779,7 +1779,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="fun_info" arity="2"/>
+      <name name="fun_info" arity="2" since=""/>
       <fsummary>Information about a fun.</fsummary>
       <type name="fun_info_item"/>
       <desc>
@@ -1799,7 +1799,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="fun_to_list" arity="1"/>
+      <name name="fun_to_list" arity="1" since=""/>
       <fsummary>Text representation of a fun.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -1808,7 +1808,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="function_exported" arity="3"/>
+      <name name="function_exported" arity="3" since=""/>
       <fsummary>Check if a function is exported and loaded.</fsummary>
       <desc>
         <p>Returns <c>true</c> if the module <c><anno>Module</anno></c> is
@@ -1824,7 +1824,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="garbage_collect" arity="0"/>
+      <name name="garbage_collect" arity="0" since=""/>
       <fsummary>Force an immediate garbage collection of the calling process.
       </fsummary>
       <desc>
@@ -1840,7 +1840,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="garbage_collect" arity="1"/>
+      <name name="garbage_collect" arity="1" since=""/>
       <fsummary>Garbage collect a process.</fsummary>
       <desc>
         <p>The same as
@@ -1850,7 +1850,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="garbage_collect" arity="2"/>
+      <name name="garbage_collect" arity="2" since="OTP 17.0"/>
       <fsummary>Garbage collect a process.</fsummary>
       <desc>
         <p>Garbage collects the node local process identified by
@@ -1915,7 +1915,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get" arity="0"/>
+      <name name="get" arity="0" since=""/>
       <fsummary>Return the process dictionary.</fsummary>
       <desc>
         <p>Returns the process dictionary as a list of
@@ -1930,7 +1930,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get" arity="1"/>
+      <name name="get" arity="1" since=""/>
       <fsummary>Return a value from the process dictionary.</fsummary>
       <desc>
         <p>Returns the value <c><anno>Val</anno></c> associated with
@@ -1946,7 +1946,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get_cookie" arity="0"/>
+      <name name="get_cookie" arity="0" since=""/>
       <fsummary>Get the magic cookie of the local node.</fsummary>
       <desc>
         <p>Returns the magic cookie of the local node if the node is
@@ -1955,7 +1955,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get_keys" arity="0"/>
+      <name name="get_keys" arity="0" since="OTP 18.0"/>
       <fsummary>Return a list of all keys from the process dictionary.
       </fsummary>
       <desc>
@@ -1971,7 +1971,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get_keys" arity="1"/>
+      <name name="get_keys" arity="1" since=""/>
       <fsummary>Return a list of keys from the process dictionary.</fsummary>
       <desc>
         <p>Returns a list of keys that are associated with the value
@@ -1989,7 +1989,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="get_stacktrace" arity="0"/>
+      <name name="get_stacktrace" arity="0" since=""/>
       <fsummary>Get the call stack back-trace of the last exception.</fsummary>
       <type name="stack_item"/>
       <desc>
@@ -2054,7 +2054,7 @@ end</pre>
     </func>
 
     <func>
-      <name name="group_leader" arity="0"/>
+      <name name="group_leader" arity="0" since=""/>
       <fsummary>Get the group leader for the calling process.</fsummary>
       <desc>
         <p>Returns the process identifier of the group leader for the
@@ -2069,7 +2069,7 @@ end</pre>
     </func>
 
     <func>
-      <name name="group_leader" arity="2"/>
+      <name name="group_leader" arity="2" since=""/>
       <fsummary>Set the group leader for a process.</fsummary>
       <desc>
         <p>Sets the group leader of <c><anno>Pid</anno></c>
@@ -2090,7 +2090,7 @@ end</pre>
     </func>
 
     <func>
-      <name name="halt" arity="0"/>
+      <name name="halt" arity="0" since=""/>
       <fsummary>Halt the Erlang runtime system and indicate normal exit to
         the calling environment.</fsummary>
       <desc>
@@ -2103,7 +2103,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="halt" arity="1"/>
+      <name name="halt" arity="1" since=""/>
       <fsummary>Halt the Erlang runtime system.</fsummary>
       <desc>
         <p>The same as <seealso marker="#halt/2">
@@ -2117,7 +2117,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="halt" arity="2"/>
+      <name name="halt" arity="2" since="OTP R15B01"/>
       <fsummary>Halt the Erlang runtime system.</fsummary>
       <desc>
         <p><c><anno>Status</anno></c> must be a non-negative integer, a string,
@@ -2159,7 +2159,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="hd" arity="1"/>
+      <name name="hd" arity="1" since=""/>
       <fsummary>Head of a list.</fsummary>
       <desc>
         <p>Returns the head of <c><anno>List</anno></c>, that is,
@@ -2174,7 +2174,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="hibernate" arity="3"/>
+      <name name="hibernate" arity="3" since=""/>
       <fsummary>Hibernate a process until a message is sent to it.</fsummary>
       <desc>
         <p>Puts the calling process into a wait state where its memory
@@ -2215,7 +2215,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="insert_element" arity="3"/>
+      <name name="insert_element" arity="3" since="OTP R16B"/>
       <fsummary>Insert an element at index in a tuple.</fsummary>
       <type_desc variable="Index">1..tuple_size(<anno>Tuple1</anno>)
         + 1</type_desc>
@@ -2233,7 +2233,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="integer_to_binary" arity="1"/>
+      <name name="integer_to_binary" arity="1" since="OTP R16B"/>
       <fsummary>Text representation of an integer.</fsummary>
       <desc>
         <p>Returns a binary corresponding to the text
@@ -2245,7 +2245,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="integer_to_binary" arity="2"/>
+      <name name="integer_to_binary" arity="2" since="OTP R16B"/>
       <fsummary>Text representation of an integer.</fsummary>
       <desc>
         <p>Returns a binary corresponding to the text
@@ -2258,7 +2258,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="integer_to_list" arity="1"/>
+      <name name="integer_to_list" arity="1" since=""/>
       <fsummary>Text representation of an integer.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -2270,7 +2270,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="integer_to_list" arity="2"/>
+      <name name="integer_to_list" arity="2" since=""/>
       <fsummary>Text representation of an integer.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -2283,7 +2283,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="iolist_size" arity="1"/>
+      <name name="iolist_size" arity="1" since=""/>
       <fsummary>Size of an iolist.</fsummary>
       <desc>
         <p>Returns an integer, that is the size in bytes,
@@ -2296,7 +2296,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="iolist_to_binary" arity="1"/>
+      <name name="iolist_to_binary" arity="1" since=""/>
       <fsummary>Convert an iolist to a binary.</fsummary>
       <desc>
         <p>Returns a binary that is made from the integers and
@@ -2314,7 +2314,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="iolist_to_iovec" arity="1"/>
+      <name name="iolist_to_iovec" arity="1" since="OTP 20.1"/>
       <fsummary>Converts an iolist to a iovec.</fsummary>
       <desc>
         <p>Returns an iovec that is made from the integers and binaries in
@@ -2323,7 +2323,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_alive" arity="0"/>
+      <name name="is_alive" arity="0" since=""/>
       <fsummary>Check whether the local node is alive.</fsummary>
       <desc>
         <p>Returns <c>true</c> if the local node is alive (that is, if
@@ -2333,7 +2333,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_atom" arity="1"/>
+      <name name="is_atom" arity="1" since=""/>
       <fsummary>Check whether a term is an atom.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is an atom,
@@ -2343,7 +2343,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_binary" arity="1"/>
+      <name name="is_binary" arity="1" since=""/>
       <fsummary>Check whether a term is a binary.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a binary,
@@ -2354,7 +2354,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_bitstring" arity="1"/>
+      <name name="is_bitstring" arity="1" since=""/>
       <fsummary>Check whether a term is a bitstring.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a
@@ -2364,7 +2364,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_boolean" arity="1"/>
+      <name name="is_boolean" arity="1" since=""/>
       <fsummary>Check whether a term is a boolean.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is the
@@ -2375,7 +2375,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_builtin" arity="3"/>
+      <name name="is_builtin" arity="3" since=""/>
       <fsummary>Check if a function is a BIF implemented in C.</fsummary>
       <desc>
         <p>This BIF is useful for builders of cross-reference tools.</p>
@@ -2386,7 +2386,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_float" arity="1"/>
+      <name name="is_float" arity="1" since=""/>
       <fsummary>Check whether a term is a float.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a floating point
@@ -2396,7 +2396,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_function" arity="1"/>
+      <name name="is_function" arity="1" since=""/>
       <fsummary>Check whether a term is a fun.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a fun, otherwise
@@ -2406,7 +2406,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_function" arity="2"/>
+      <name name="is_function" arity="2" since=""/>
       <fsummary>Check whether a term is a fun with a specified given arity.
       </fsummary>
       <desc>
@@ -2418,7 +2418,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_integer" arity="1"/>
+      <name name="is_integer" arity="1" since=""/>
       <fsummary>Check whether a term is an integer.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is an integer,
@@ -2428,7 +2428,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_list" arity="1"/>
+      <name name="is_list" arity="1" since=""/>
       <fsummary>Check whether a term is a list.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a list with
@@ -2438,7 +2438,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_map" arity="1"/>
+      <name name="is_map" arity="1" since="OTP 17.0"/>
       <fsummary>Check whether a term is a map.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a map,
@@ -2448,7 +2448,7 @@ os_prompt%</pre>
     </func>
 
     <func>
-      <name name="is_map_key" arity="2"/>
+      <name name="is_map_key" arity="2" since="OTP 21.0"/>
       <fsummary></fsummary>
       <desc>
         <p>Returns <c>true</c> if map <c><anno>Map</anno></c> contains
@@ -2468,7 +2468,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_number" arity="1"/>
+      <name name="is_number" arity="1" since=""/>
       <fsummary>Check whether a term is a number.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is an integer or a
@@ -2478,7 +2478,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_pid" arity="1"/>
+      <name name="is_pid" arity="1" since=""/>
       <fsummary>Check whether a term is a process identifier.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a process
@@ -2488,7 +2488,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_port" arity="1"/>
+      <name name="is_port" arity="1" since=""/>
       <fsummary>Check whether a term is a port.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a port identifier,
@@ -2498,7 +2498,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_process_alive" arity="1"/>
+      <name name="is_process_alive" arity="1" since=""/>
       <fsummary>Check whether a process is alive.</fsummary>
       <desc>
         <p><c><anno>Pid</anno></c> must refer to a process at the local
@@ -2510,7 +2510,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_record" arity="2"/>
+      <name name="is_record" arity="2" since=""/>
       <fsummary>Check whether a term appears to be a record.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a tuple and its
@@ -2531,7 +2531,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_record" arity="3"/>
+      <name name="is_record" arity="3" since=""/>
       <fsummary>Check whether a term appears to be a record.</fsummary>
       <desc>
         <p><c><anno>RecordTag</anno></c> must be an atom.</p>
@@ -2550,7 +2550,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_reference" arity="1"/>
+      <name name="is_reference" arity="1" since=""/>
       <fsummary>Check whether a term is a reference.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a reference,
@@ -2560,7 +2560,7 @@ false</code>
     </func>
 
     <func>
-      <name name="is_tuple" arity="1"/>
+      <name name="is_tuple" arity="1" since=""/>
       <fsummary>Check whether a term is a tuple.</fsummary>
       <desc>
         <p>Returns <c>true</c> if <c><anno>Term</anno></c> is a tuple,
@@ -2570,7 +2570,7 @@ false</code>
     </func>
 
     <func>
-      <name name="length" arity="1"/>
+      <name name="length" arity="1" since=""/>
       <fsummary>Length of a list.</fsummary>
       <desc>
         <p>Returns the length of <c><anno>List</anno></c>, for example:</p>
@@ -2582,7 +2582,7 @@ false</code>
     </func>
 
     <func>
-      <name name="link" arity="1"/>
+      <name name="link" arity="1" since=""/>
       <fsummary>Create a link to another process (or port).</fsummary>
       <desc>
         <p>Creates a link between the calling process and another
@@ -2609,7 +2609,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_atom" arity="1"/>
+      <name name="list_to_atom" arity="1" since=""/>
       <fsummary>Convert from text representation to an atom.</fsummary>
       <desc>
         <p>Returns the atom whose text representation is
@@ -2629,7 +2629,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_binary" arity="1"/>
+      <name name="list_to_binary" arity="1" since=""/>
       <fsummary>Convert a list to a binary.</fsummary>
       <desc>
         <p>Returns a binary that is made from the integers and
@@ -2647,7 +2647,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_bitstring" arity="1"/>
+      <name name="list_to_bitstring" arity="1" since=""/>
       <fsummary>Convert a list to a bitstring.</fsummary>
       <type name="bitstring_list"/>
       <desc>
@@ -2668,7 +2668,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_existing_atom" arity="1"/>
+      <name name="list_to_existing_atom" arity="1" since=""/>
       <fsummary>Convert from text representation to an atom.</fsummary>
       <desc>
         <p>Returns the atom whose text representation is
@@ -2689,7 +2689,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_float" arity="1"/>
+      <name name="list_to_float" arity="1" since=""/>
       <fsummary>Convert from text representation to a float.</fsummary>
       <desc>
         <p>Returns the float whose text representation is
@@ -2703,7 +2703,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_integer" arity="1"/>
+      <name name="list_to_integer" arity="1" since=""/>
       <fsummary>Convert from text representation to an integer.</fsummary>
       <desc>
         <p>Returns an integer whose text representation is
@@ -2717,7 +2717,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_integer" arity="2"/>
+      <name name="list_to_integer" arity="2" since=""/>
       <fsummary>Convert from text representation to an integer.</fsummary>
       <desc>
         <p>Returns an integer whose text representation in base
@@ -2732,7 +2732,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_pid" arity="1"/>
+      <name name="list_to_pid" arity="1" since=""/>
       <fsummary>Convert from text representation to a pid.</fsummary>
       <desc>
         <p>Returns a process identifier whose text representation is a 
@@ -2750,7 +2750,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_port" arity="1"/>
+      <name name="list_to_port" arity="1" since="OTP 20.0"/>
       <fsummary>Convert from text representation to a port.</fsummary>
       <desc>
         <p>Returns a port identifier whose text representation is a
@@ -2768,7 +2768,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_ref" arity="1"/>
+      <name name="list_to_ref" arity="1" since="OTP 20.0"/>
       <fsummary>Convert from text representation to a ref.</fsummary>
       <desc>
         <p>Returns a reference whose text representation is a
@@ -2786,7 +2786,7 @@ false</code>
     </func>
 
     <func>
-      <name name="list_to_tuple" arity="1"/>
+      <name name="list_to_tuple" arity="1" since=""/>
       <fsummary>Convert a list to a tuple.</fsummary>
       <desc>
         <p>Returns a tuple corresponding to <c><anno>List</anno></c>,
@@ -2799,7 +2799,7 @@ false</code>
     </func>
 
     <func>
-      <name name="load_module" arity="2"/>
+      <name name="load_module" arity="2" since=""/>
       <fsummary>Load object code for a module.</fsummary>
       <desc>
         <p>If <c><anno>Binary</anno></c> contains the object code for module
@@ -2832,7 +2832,7 @@ false</code>
     </func>
 
     <func>
-      <name name="load_nif" arity="2"/>
+      <name name="load_nif" arity="2" since=""/>
       <fsummary>Load NIF library.</fsummary>
       <desc>
         <p>Loads and links a dynamic library containing native
@@ -2885,7 +2885,7 @@ false</code>
     </func>
 
     <func>
-      <name name="loaded" arity="0"/>
+      <name name="loaded" arity="0" since=""/>
       <fsummary>List all loaded modules.</fsummary>
       <desc>
         <p>Returns a list of all loaded Erlang modules (current and
@@ -2896,7 +2896,7 @@ false</code>
     </func>
 
     <func>
-      <name name="localtime" arity="0"/>
+      <name name="localtime" arity="0" since=""/>
       <fsummary>Current local date and time.</fsummary>
       <desc>
         <p>Returns the current local date and time,
@@ -2911,7 +2911,7 @@ false</code>
     </func>
 
     <func>
-      <name name="localtime_to_universaltime" arity="1"/>
+      <name name="localtime_to_universaltime" arity="1" since=""/>
       <fsummary>Convert from local to Universal Time Coordinated (UTC) date
         and time.</fsummary>
       <desc>
@@ -2928,7 +2928,7 @@ false</code>
     </func>
 
     <func>
-      <name name="localtime_to_universaltime" arity="2"/>
+      <name name="localtime_to_universaltime" arity="2" since=""/>
       <fsummary>Convert from local to Universal Time Coordinated (UTC) date
         and time.</fsummary>
       <desc>
@@ -2954,7 +2954,7 @@ false</code>
     </func>
 
     <func>
-      <name name="make_ref" arity="0"/>
+      <name name="make_ref" arity="0" since=""/>
       <fsummary>Return a unique reference.</fsummary>
       <desc>
         <p>Returns a
@@ -2971,7 +2971,7 @@ false</code>
     </func>
 
     <func>
-      <name name="make_tuple" arity="2"/>
+      <name name="make_tuple" arity="2" since=""/>
       <fsummary>Create a new tuple of a specified arity.</fsummary>
       <desc>
         <p>Creates a new tuple of the specified <c><anno>Arity</anno></c>, where
@@ -2983,7 +2983,7 @@ false</code>
     </func>
 
     <func>
-      <name name="make_tuple" arity="3"/>
+      <name name="make_tuple" arity="3" since=""/>
       <fsummary>Create a new tuple with specifed arity and contents.</fsummary>
       <desc>
         <p>Creates a tuple of size <c><anno>Arity</anno></c>, where each element
@@ -3001,7 +3001,7 @@ false</code>
     </func>
 
     <func>
-      <name name="map_get" arity="2" />
+      <name name="map_get" arity="2"  since="OTP 21.0"/>
       <fsummary>Extract a value from a map</fsummary>
       <desc>
         <p>Returns value <c><anno>Value</anno></c> associated with
@@ -3020,7 +3020,7 @@ false</code>
     </func>
 
     <func>
-      <name name="map_size" arity="1"/>
+      <name name="map_size" arity="1" since="OTP 17.0"/>
       <fsummary>Return the size of a map.</fsummary>
       <desc>
         <p>Returns an integer, which is the number of key-value pairs
@@ -3033,7 +3033,7 @@ false</code>
     </func>
 
     <func>
-      <name name="match_spec_test" arity="3"/>
+      <name name="match_spec_test" arity="3" since="OTP 19.0"/>
       <fsummary>Test that a match specification works.</fsummary>
       <desc>
         <p>Tests a match specification used in calls to
@@ -3071,7 +3071,7 @@ false</code>
     </func>
 
     <func>
-      <name name="max" arity="2"/>
+      <name name="max" arity="2" since=""/>
       <fsummary>Return the largest of two terms.</fsummary>
       <desc>
         <p>Returns the largest of <c><anno>Term1</anno></c> and
@@ -3081,7 +3081,7 @@ false</code>
     </func>
 
     <func>
-      <name name="md5" arity="1"/>
+      <name name="md5" arity="1" since=""/>
       <fsummary>Compute an MD5 message digest.</fsummary>
       <desc>
         <p>Computes an MD5 message digest from <c><anno>Data</anno></c>, where
@@ -3099,7 +3099,7 @@ false</code>
     </func>
 
     <func>
-      <name name="md5_final" arity="1"/>
+      <name name="md5_final" arity="1" since=""/>
       <fsummary>Finish the update of an MD5 context and return the computed
         MD5 message digest.</fsummary>
       <desc>
@@ -3109,7 +3109,7 @@ false</code>
     </func>
 
     <func>
-      <name name="md5_init" arity="0"/>
+      <name name="md5_init" arity="0" since=""/>
       <fsummary>Create an MD5 context.</fsummary>
       <desc>
         <p>Creates an MD5 context, to be used in the following calls to
@@ -3118,7 +3118,7 @@ false</code>
     </func>
 
     <func>
-      <name name="md5_update" arity="2"/>
+      <name name="md5_update" arity="2" since=""/>
       <fsummary>Update an MD5 context with data and return a new context.
       </fsummary>
       <desc>
@@ -3129,7 +3129,7 @@ false</code>
     </func>
 
     <func>
-      <name name="memory" arity="0"/>
+      <name name="memory" arity="0" since=""/>
       <fsummary>Information about dynamically allocated memory.</fsummary>
       <type name="memory_type"/>
       <desc>
@@ -3273,8 +3273,8 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="memory" arity="1" clause_i="1"/>
-      <name name="memory" arity="1" clause_i="2"/>
+      <name name="memory" arity="1" clause_i="1" since=""/>
+      <name name="memory" arity="1" clause_i="2" since=""/>
       <fsummary>Information about dynamically allocated memory.</fsummary>
       <type name="memory_type"/>
       <desc>
@@ -3313,7 +3313,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="min" arity="2"/>
+      <name name="min" arity="2" since=""/>
       <fsummary>Return the smallest of two terms.</fsummary>
       <desc>
         <p>Returns the smallest of <c><anno>Term1</anno></c> and
@@ -3323,7 +3323,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="module_loaded" arity="1"/>
+      <name name="module_loaded" arity="1" since=""/>
       <fsummary>Check if a module is loaded.</fsummary>
       <desc>
         <p>Returns <c>true</c> if the module <c><anno>Module</anno></c>
@@ -3338,9 +3338,9 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="monitor" arity="2" clause_i="1"/>
-      <name name="monitor" arity="2" clause_i="2"/>
-      <name name="monitor" arity="2" clause_i="3"/>
+      <name name="monitor" arity="2" clause_i="1" since=""/>
+      <name name="monitor" arity="2" clause_i="2" since="?"/>
+      <name name="monitor" arity="2" clause_i="3" since="OTP 18.0"/>
       <fsummary>Start monitoring.</fsummary>
       <type name="registered_name"/>
       <type name="registered_process_identifier"/>
@@ -3512,7 +3512,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="monitor_node" arity="2"/>
+      <name name="monitor_node" arity="2" since=""/>
       <fsummary>Monitor the status of a node.</fsummary>
       <desc>
         <p>Monitor the status of the node <c><anno>Node</anno></c>.
@@ -3536,7 +3536,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="monitor_node" arity="3"/>
+      <name name="monitor_node" arity="3" since=""/>
       <fsummary>Monitor the status of a node.</fsummary>
       <desc>
         <p>Behaves as
@@ -3562,7 +3562,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="monotonic_time" arity="0"/>
+      <name name="monotonic_time" arity="0" since="OTP 18.0"/>
       <fsummary>Current Erlang monotonic time.</fsummary>
       <desc>
         <p>Returns the current
@@ -3596,7 +3596,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="monotonic_time" arity="1"/>
+      <name name="monotonic_time" arity="1" since="OTP 18.0"/>
       <fsummary>Current Erlang monotonic time.</fsummary>
       <desc>
         <p>Returns the current
@@ -3614,7 +3614,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="nif_error" arity="1"/>
+      <name name="nif_error" arity="1" since="OTP R14B"/>
       <fsummary>Stop execution with a specified reason.</fsummary>
       <desc>
         <p>Works exactly like
@@ -3627,7 +3627,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="nif_error" arity="2"/>
+      <name name="nif_error" arity="2" since="OTP R14B"/>
       <fsummary>Stop execution with a specified reason.</fsummary>
       <desc>
         <p>Works exactly like
@@ -3640,7 +3640,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="node" arity="0"/>
+      <name name="node" arity="0" since=""/>
       <fsummary>Name of the local node.</fsummary>
       <desc>
         <p>Returns the name of the local node. If the node is not alive,
@@ -3650,7 +3650,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="node" arity="1"/>
+      <name name="node" arity="1" since=""/>
       <fsummary>At which node a pid, port, or reference originates.</fsummary>
       <desc>
         <p>Returns the node where <c><anno>Arg</anno></c> originates.
@@ -3663,7 +3663,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="nodes" arity="0"/>
+      <name name="nodes" arity="0" since=""/>
       <fsummary>All visible nodes in the system.</fsummary>
       <desc>
         <p>Returns a list of all visible nodes in the system, except
@@ -3672,7 +3672,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="nodes" arity="1"/>
+      <name name="nodes" arity="1" since=""/>
       <fsummary>All nodes of a certain type in the system.</fsummary>
       <desc>
         <p>Returns a list of nodes according to the argument specified.
@@ -3715,7 +3715,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="now" arity="0"/>
+      <name name="now" arity="0" since=""/>
       <fsummary>Elapsed time since 00:00 GMT.</fsummary>
       <type name="timestamp"/>
       <desc>
@@ -3744,7 +3744,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="open_port" arity="2"/>
+      <name name="open_port" arity="2" since=""/>
       <fsummary>Open a port.</fsummary>
       <desc>
         <p>Returns a port identifier as the result of opening a
@@ -4085,7 +4085,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="phash" arity="2"/>
+      <name name="phash" arity="2" since=""/>
       <fsummary>Portable hash function.</fsummary>
       <type_desc variable="Range">Range = 1..2^32, Hash = 1..Range</type_desc>
       <desc>
@@ -4100,8 +4100,8 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="phash2" arity="1"/>
-      <name name="phash2" arity="2"/>
+      <name name="phash2" arity="1" since=""/>
+      <name name="phash2" arity="2" since=""/>
       <fsummary>Portable hash function.</fsummary>
       <type_desc variable="Range">1..2^32</type_desc>
       <type_desc variable="Hash">0..Range-1</type_desc>
@@ -4125,7 +4125,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="pid_to_list" arity="1"/>
+      <name name="pid_to_list" arity="1" since=""/>
       <fsummary>Text representation of a pid.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -4134,7 +4134,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_call" arity="3"/>
+      <name name="port_call" arity="3" since=""/>
       <fsummary>Perform a synchronous call to a port with term data.</fsummary>
       <desc>
         <p>Performs a synchronous call to a port. The meaning of
@@ -4179,7 +4179,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_close" arity="1"/>
+      <name name="port_close" arity="1" since=""/>
       <fsummary>Close an open port.</fsummary>
       <desc>
         <p>Closes an open port. Roughly the same as <c><anno>Port</anno> !
@@ -4219,7 +4219,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_command" arity="2"/>
+      <name name="port_command" arity="2" since=""/>
       <fsummary>Send data to a port.</fsummary>
       <desc>
         <p>Sends data to a port. Same as
@@ -4266,7 +4266,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_command" arity="3"/>
+      <name name="port_command" arity="3" since=""/>
       <fsummary>Send data to a port.</fsummary>
       <desc>
         <p>Sends data to a port. <c>port_command(Port, Data, [])</c>
@@ -4325,7 +4325,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_connect" arity="2"/>
+      <name name="port_connect" arity="2" since=""/>
       <fsummary>Set the owner of a port.</fsummary>
       <desc>
         <p>Sets the port owner (the connected port) to <c><anno>Pid</anno></c>.
@@ -4394,7 +4394,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_control" arity="3"/>
+      <name name="port_control" arity="3" since=""/>
       <fsummary>Perform a synchronous control operation on a port.</fsummary>
       <desc>
         <p>Performs a synchronous control operation on a port.
@@ -4431,7 +4431,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="1"/>
+      <name name="port_info" arity="1" since=""/>
       <fsummary>Information about a port.</fsummary>
       <desc>
         <p>Returns a list containing tuples with information about
@@ -4462,7 +4462,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="1"/>
+      <name name="port_info" arity="2" clause_i="1" since=""/>
       <fsummary>Information about the connected process of a port.</fsummary>
       <desc>
         <p><c><anno>Pid</anno></c> is the process identifier of the process
@@ -4478,7 +4478,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="2"/>
+      <name name="port_info" arity="2" clause_i="2" since=""/>
       <fsummary>Information about the internal index of a port.</fsummary>
       <desc>
         <p><c><anno>Index</anno></c> is the internal index of the port. This
@@ -4494,7 +4494,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="3"/>
+      <name name="port_info" arity="2" clause_i="3" since=""/>
       <fsummary>Information about the input of a port.</fsummary>
       <desc>
         <p><c><anno>Bytes</anno></c> is the total number of bytes
@@ -4510,7 +4510,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="4"/>
+      <name name="port_info" arity="2" clause_i="4" since=""/>
       <fsummary>Information about the links of a port.</fsummary>
       <desc>
         <p><c><anno>Pids</anno></c> is a list of the process identifiers
@@ -4526,7 +4526,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="5"/>
+      <name name="port_info" arity="2" clause_i="5" since="?"/>
       <fsummary>Information about the locking of a port.</fsummary>
       <desc>
         <p><c><anno>Locking</anno></c> is one of the following:</p>
@@ -4547,7 +4547,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="6"/>
+      <name name="port_info" arity="2" clause_i="6" since="?"/>
       <fsummary>Information about the memory size of a port.</fsummary>
       <desc>
         <p><c><anno>Bytes</anno></c> is the total number of
@@ -4565,7 +4565,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="7"/>
+      <name name="port_info" arity="2" clause_i="7" since="?"/>
       <fsummary>Information about the monitors of a port.</fsummary>
       <desc>
         <p><c><anno>Monitors</anno></c> represent processes monitored by
@@ -4581,7 +4581,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="8"/>
+      <name name="port_info" arity="2" clause_i="8" since="?"/>
       <fsummary>Which processes are monitoring this port.</fsummary>
       <desc>
         <p>Returns list of pids that are monitoring given port at the
@@ -4597,7 +4597,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="9"/>
+      <name name="port_info" arity="2" clause_i="9" since=""/>
       <fsummary>Information about the name of a port.</fsummary>
       <desc>
         <p><c><anno>Name</anno></c> is the command name set by
@@ -4613,7 +4613,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="10"/>
+      <name name="port_info" arity="2" clause_i="10" since="?"/>
       <fsummary>Information about the OS pid of a port.</fsummary>
       <desc>
         <p><c><anno>OsPid</anno></c> is the process identifier (or equivalent)
@@ -4632,7 +4632,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="11"/>
+      <name name="port_info" arity="2" clause_i="11" since=""/>
       <fsummary>Information about the output of a port.</fsummary>
       <desc>
         <p><c><anno>Bytes</anno></c> is the total number of bytes written
@@ -4651,7 +4651,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="12"/>
+      <name name="port_info" arity="2" clause_i="12" since="?"/>
       <fsummary>Information about the parallelism hint of a port.</fsummary>
       <desc>
         <p><c><anno>Boolean</anno></c> corresponds to the port parallelism
@@ -4662,7 +4662,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="13"/>
+      <name name="port_info" arity="2" clause_i="13" since="?"/>
       <fsummary>Information about the queue size of a port.</fsummary>
       <desc>
         <p><c><anno>Bytes</anno></c> is the total number
@@ -4679,7 +4679,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_info" arity="2" clause_i="14"/>
+      <name name="port_info" arity="2" clause_i="14" since=""/>
       <fsummary>Information about the registered name of a port.</fsummary>
       <desc>
         <p><c><anno>RegisteredName</anno></c> is the registered name of
@@ -4696,7 +4696,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="port_to_list" arity="1"/>
+      <name name="port_to_list" arity="1" since=""/>
       <fsummary>Text representation of a port identifier.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -4705,7 +4705,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="ports" arity="0"/>
+      <name name="ports" arity="0" since=""/>
       <fsummary>List all existing ports.</fsummary>
       <desc>
         <p>Returns a list of port identifiers corresponding to all the
@@ -4715,7 +4715,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="pre_loaded" arity="0"/>
+      <name name="pre_loaded" arity="0" since=""/>
       <fsummary>List all preloaded modules.</fsummary>
       <desc>
         <p>Returns a list of Erlang modules that are preloaded in
@@ -4726,7 +4726,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_display" arity="2"/>
+      <name name="process_display" arity="2" since=""/>
       <fsummary>Write information about a local process on standard error.
       </fsummary>
       <desc>
@@ -4740,7 +4740,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="2" clause_i="1"/>
+      <name name="process_flag" arity="2" clause_i="1" since=""/>
       <fsummary>Set process flag trap_exit for the calling process.</fsummary>
       <desc>
         <p>When <c>trap_exit</c> is set to <c>true</c>, exit signals
@@ -4757,7 +4757,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="2" clause_i="2"/>
+      <name name="process_flag" arity="2" clause_i="2" since=""/>
       <fsummary>Set process flag error_handler for the calling process.
       </fsummary>
       <desc>
@@ -4772,7 +4772,7 @@ RealSystem = system + MissedSystem</code>
 
     <func>
       <name name="process_flag" arity="2" clause_i="3"
-	    anchor="process_flag_min_heap_size"/>
+	    anchor="process_flag_min_heap_size" since=""/>
       <fsummary>Set process flag min_heap_size for the calling process.
       </fsummary>
       <desc>
@@ -4782,7 +4782,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="2" clause_i="4"/>
+      <name name="process_flag" arity="2" clause_i="4" since="?"/>
       <fsummary>Set process flag min_bin_vheap_size for the calling process.
       </fsummary>
       <desc>
@@ -4794,7 +4794,7 @@ RealSystem = system + MissedSystem</code>
 
     <func>
       <name name="process_flag" arity="2" clause_i="5"
-	    anchor="process_flag_max_heap_size"/>
+	    anchor="process_flag_max_heap_size" since="?"/>
       <fsummary>Set process flag max_heap_size for the calling process.
       </fsummary>
       <type name="max_heap_size"/>
@@ -4868,7 +4868,7 @@ RealSystem = system + MissedSystem</code>
 
     <func>
       <name name="process_flag" arity="2" clause_i="6"
-	    anchor="process_flag_message_queue_data"/>
+	    anchor="process_flag_message_queue_data" since="?"/>
       <fsummary>Set process flag message_queue_data for the calling process.
       </fsummary>
       <type name="message_queue_data"/>
@@ -4910,7 +4910,7 @@ RealSystem = system + MissedSystem</code>
 
     <func>
       <name name="process_flag" arity="2" clause_i="7"
-	    anchor="process_flag_priority"/>
+	    anchor="process_flag_priority" since=""/>
       <fsummary>Set process flag priority for the calling process.</fsummary>
       <type name="priority_level"/>
       <desc>
@@ -4982,7 +4982,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="2" clause_i="8"/>
+      <name name="process_flag" arity="2" clause_i="8" since=""/>
       <fsummary>Set process flag save_calls for the calling process.</fsummary>
       <desc>
         <p><c><anno>N</anno></c> must be an integer in the interval 0..10000.
@@ -5013,7 +5013,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="2" clause_i="9"/>
+      <name name="process_flag" arity="2" clause_i="9" since=""/>
       <fsummary>Set process flag sensitive for the calling process.</fsummary>
       <desc>
         <p>Sets or clears flag <c>sensitive</c> for the current process.
@@ -5047,7 +5047,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_flag" arity="3"/>
+      <name name="process_flag" arity="3" since="?"/>
       <fsummary>Set process flags for a process.</fsummary>
       <desc>
         <p>Sets certain flags for the process <c><anno>Pid</anno></c>,
@@ -5062,7 +5062,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_info" arity="1"/>
+      <name name="process_info" arity="1" since=""/>
       <fsummary>Information about a process.</fsummary>
       <type name="process_info_result_item"/>
       <type name="priority_level"/>
@@ -5113,8 +5113,8 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="process_info" arity="2" clause_i="1"/>
-      <name name="process_info" arity="2" clause_i="2"/>
+      <name name="process_info" arity="2" clause_i="1" since=""/>
+      <name name="process_info" arity="2" clause_i="2" since=""/>
       <fsummary>Information about a process.</fsummary>
       <type name="process_info_item"/>
       <type name="process_info_result_item"/>
@@ -5447,7 +5447,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="processes" arity="0"/>
+      <name name="processes" arity="0" since=""/>
       <fsummary>All processes.</fsummary>
       <desc>
         <p>Returns a list of process identifiers corresponding to
@@ -5464,7 +5464,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="purge_module" arity="1"/>
+      <name name="purge_module" arity="1" since=""/>
       <fsummary>Remove old code for a module.</fsummary>
       <desc>
         <p>Removes old code for <c><anno>Module</anno></c>.
@@ -5489,7 +5489,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="put" arity="2"/>
+      <name name="put" arity="2" since=""/>
       <fsummary>Add a new value to the process dictionary.</fsummary>
       <desc>
         <p>Adds a new <c><anno>Key</anno></c> to the process dictionary,
@@ -5511,7 +5511,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="raise" arity="3"/>
+      <name name="raise" arity="3" since=""/>
       <fsummary>Stop execution with an exception of specified class, reason,
         and call stack backtrace.</fsummary>
       <type name="raise_stacktrace"/>
@@ -5550,7 +5550,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="read_timer" arity="1"/>
+      <name name="read_timer" arity="1" since=""/>
       <fsummary>Read the state of a timer.</fsummary>
       <desc>
         <p>Reads the state of a timer. The same as calling
@@ -5560,7 +5560,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="read_timer" arity="2"/>
+      <name name="read_timer" arity="2" since="OTP 18.0"/>
       <fsummary>Read the state of a timer.</fsummary>
       <desc>
         <p>Reads the state of a timer that has been created by either
@@ -5616,7 +5616,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="ref_to_list" arity="1"/>
+      <name name="ref_to_list" arity="1" since=""/>
       <fsummary>Text representation of a reference.</fsummary>
       <desc>
         <p>Returns a string corresponding to the text
@@ -5629,7 +5629,7 @@ RealSystem = system + MissedSystem</code>
     </func>
 
     <func>
-      <name name="register" arity="2"/>
+      <name name="register" arity="2" since=""/>
       <fsummary>Register a name for a pid (or port).</fsummary>
       <desc>
         <p>Associates the name <c><anno>RegName</anno></c> with a process
@@ -5658,7 +5658,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="registered" arity="0"/>
+      <name name="registered" arity="0" since=""/>
       <fsummary>All registered names.</fsummary>
       <desc>
         <p>Returns a list of names that have been registered using
@@ -5671,7 +5671,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="resume_process" arity="1"/>
+      <name name="resume_process" arity="1" since=""/>
       <fsummary>Resume a suspended process.</fsummary>
       <desc>
         <p>Decreases the suspend count on the process identified by
@@ -5712,7 +5712,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="round" arity="1"/>
+      <name name="round" arity="1" since=""/>
       <fsummary>Return an integer by rounding a number.</fsummary>
       <desc>
         <p>Returns an integer by rounding <c><anno>Number</anno></c>,
@@ -5725,7 +5725,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="self" arity="0"/>
+      <name name="self" arity="0" since=""/>
       <fsummary>Return pid of the calling process.</fsummary>
       <desc>
         <p>Returns the process identifier of the calling process, for
@@ -5738,7 +5738,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send" arity="2"/>
+      <name name="send" arity="2" since=""/>
       <fsummary>Send a message.</fsummary>
       <type name="dst"/>
       <desc>
@@ -5758,7 +5758,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send" arity="3"/>
+      <name name="send" arity="3" since=""/>
       <fsummary>Send a message conditionally.</fsummary>
       <type name="dst"/>
       <desc>
@@ -5790,7 +5790,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send_after" arity="3"/>
+      <name name="send_after" arity="3" since=""/>
       <fsummary>Start a timer.</fsummary>
       <desc>
         <p>Starts a timer. The same as calling
@@ -5801,7 +5801,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send_after" arity="4"/>
+      <name name="send_after" arity="4" since="OTP 18.0"/>
       <fsummary>Start a timer.</fsummary>
       <desc>
         <p>Starts a timer. When the timer expires, the message
@@ -5814,7 +5814,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send_nosuspend" arity="2"/>
+      <name name="send_nosuspend" arity="2" since=""/>
       <fsummary>Try to send a message without ever blocking.</fsummary>
       <type name="dst"/>
       <desc>
@@ -5864,7 +5864,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="send_nosuspend" arity="3"/>
+      <name name="send_nosuspend" arity="3" since=""/>
       <fsummary>Try to send a message without ever blocking.</fsummary>
       <type name="dst"/>
       <desc>
@@ -5897,7 +5897,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="set_cookie" arity="2"/>
+      <name name="set_cookie" arity="2" since=""/>
       <fsummary>Set the magic cookie of a node.</fsummary>
       <desc>
         <p>Sets the magic cookie of <c><anno>Node</anno></c> to the atom
@@ -5914,7 +5914,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="setelement" arity="3"/>
+      <name name="setelement" arity="3" since=""/>
       <fsummary>Set the Nth element of a tuple.</fsummary>
       <type_desc variable="Index">1..tuple_size(<anno>Tuple1</anno></type_desc>
       <desc>
@@ -5931,7 +5931,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="size" arity="1"/>
+      <name name="size" arity="1" since=""/>
       <fsummary>Size of a tuple or binary.</fsummary>
       <desc>
         <p>Returns the number of elements in a tuple or the number of
@@ -5954,7 +5954,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn" arity="1"/>
+      <name name="spawn" arity="1" since=""/>
       <fsummary>Create a new process with a fun as entry point.</fsummary>
       <desc>
         <p>Returns the process identifier of a new process started by the
@@ -5965,7 +5965,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn" arity="2"/>
+      <name name="spawn" arity="2" since=""/>
       <fsummary>Create a new process with a fun as entry point on a specified
         node.</fsummary>
       <desc>
@@ -5979,7 +5979,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn" arity="3"/>
+      <name name="spawn" arity="3" since=""/>
       <fsummary>Create a new process with a function as entry point.</fsummary>
       <desc>
         <p>Returns the process identifier of a new process started by
@@ -6004,7 +6004,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn" arity="4"/>
+      <name name="spawn" arity="4" since=""/>
       <fsummary>Create a new process with a function as entry point on a
         specified node.</fsummary>
       <desc>
@@ -6019,7 +6019,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_link" arity="1"/>
+      <name name="spawn_link" arity="1" since=""/>
       <fsummary>Create and link to a new process with a fun as entry point.
       </fsummary>
       <desc>
@@ -6033,7 +6033,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_link" arity="2"/>
+      <name name="spawn_link" arity="2" since=""/>
       <fsummary>Create and link to a new process with a fun as entry point on
         a specified node.</fsummary>
       <desc>
@@ -6050,7 +6050,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_link" arity="3"/>
+      <name name="spawn_link" arity="3" since=""/>
       <fsummary>Create and link to a new process with a function as entry point.
       </fsummary>
       <desc>
@@ -6064,7 +6064,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_link" arity="4"/>
+      <name name="spawn_link" arity="4" since=""/>
       <fsummary>Create and link to a new process with a function as entry point
         on a specified node.</fsummary>
       <desc>
@@ -6082,7 +6082,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_monitor" arity="1"/>
+      <name name="spawn_monitor" arity="1" since=""/>
       <fsummary>Create and monitor a new process with a fun as entry point.
       </fsummary>
       <desc>
@@ -6096,7 +6096,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_monitor" arity="3"/>
+      <name name="spawn_monitor" arity="3" since=""/>
       <fsummary>Create and monitor a new process with a function as entry point.
       </fsummary>
       <desc>
@@ -6110,7 +6110,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_opt" arity="2"/>
+      <name name="spawn_opt" arity="2" since=""/>
       <fsummary>Create a new process with a fun as entry point.</fsummary>
       <type name="priority_level"/>
       <type name="max_heap_size"/>
@@ -6128,7 +6128,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_opt" arity="3"/>
+      <name name="spawn_opt" arity="3" since=""/>
       <fsummary>Create a new process with a fun as entry point on a specified
         node.</fsummary>
       <type name="priority_level"/>
@@ -6146,7 +6146,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_opt" arity="4"/>
+      <name name="spawn_opt" arity="4" since=""/>
       <fsummary>Create a new process with a function as entry point.</fsummary>
       <type name="priority_level"/>
       <type name="max_heap_size"/>
@@ -6282,7 +6282,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="spawn_opt" arity="5"/>
+      <name name="spawn_opt" arity="5" since=""/>
       <fsummary>Create a new process with a function as entry point on a
         specified node.</fsummary>
       <type name="priority_level"/>
@@ -6305,7 +6305,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="split_binary" arity="2"/>
+      <name name="split_binary" arity="2" since=""/>
       <fsummary>Split a binary into two.</fsummary>
       <type_desc variable="Pos">0..byte_size(Bin)</type_desc>
       <desc>
@@ -6329,7 +6329,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="start_timer" arity="3"/>
+      <name name="start_timer" arity="3" since=""/>
       <fsummary>Start a timer.</fsummary>
       <desc>
         <p>Starts a timer. The same as calling
@@ -6340,7 +6340,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="start_timer" arity="4"/>
+      <name name="start_timer" arity="4" since="OTP 18.0"/>
       <fsummary>Start a timer.</fsummary>
       <desc>
         <p>Starts a timer. When the timer expires, the message
@@ -6399,7 +6399,7 @@ true</pre>
 
     <func>
       <name name="statistics" arity="1" clause_i="1"
-	    anchor="statistics_active_tasks"/>
+	    anchor="statistics_active_tasks" since="?"/>
       <fsummary>Information about active processes and ports.</fsummary>
       <desc>
         <p>Returns the same as
@@ -6414,7 +6414,7 @@ true</pre>
 
     <func>
       <name name="statistics" arity="1" clause_i="2"
-	    anchor="statistics_active_tasks_all"/>
+	    anchor="statistics_active_tasks_all" since="?"/>
       <fsummary>Information about active processes and ports.</fsummary>
       <desc>
         <p>Returns a list where each element represents the amount
@@ -6455,7 +6455,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="statistics" arity="1" clause_i="3"/>
+      <name name="statistics" arity="1" clause_i="3" since=""/>
       <fsummary>Information about context switches.</fsummary>
       <desc>
         <p>Returns the total number of context switches since the
@@ -6465,7 +6465,7 @@ true</pre>
 
     <func>
       <name name="statistics" arity="1" clause_i="4"
-	    anchor="statistics_exact_reductions"/>
+	    anchor="statistics_exact_reductions" since=""/>
       <fsummary>Information about exact reductions.</fsummary>
       <desc>
         <p>Returns the number of exact reductions.</p>
@@ -6479,7 +6479,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="statistics" arity="1" clause_i="5"/>
+      <name name="statistics" arity="1" clause_i="5" since=""/>
       <fsummary>Information about garbage collection.</fsummary>
       <desc>
         <p>Returns information about garbage collection, for example:</p>
@@ -6491,7 +6491,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="statistics" arity="1" clause_i="6"/>
+      <name name="statistics" arity="1" clause_i="6" since=""/>
       <fsummary>Information about I/O.</fsummary>
       <desc>
         <p>Returns <c><anno>Input</anno></c>,
@@ -6503,7 +6503,7 @@ true</pre>
 
     <func>
       <name name="statistics" arity="1" clause_i="7"
-	    anchor="statistics_microstate_accounting"/>
+	    anchor="statistics_microstate_accounting" since="?"/>
       <fsummary>Information about microstate accounting.</fsummary>
       <desc>
         <p>Microstate accounting can be used to measure how much time the Erlang
@@ -6646,7 +6646,7 @@ lists:map(
 
     <func>
       <name name="statistics" arity="1" clause_i="8"
-	    anchor="statistics_reductions"/>
+	    anchor="statistics_reductions" since=""/>
       <fsummary>Information about reductions.</fsummary>
       <desc>
         <p>Returns information about reductions, for example:</p>
@@ -6665,7 +6665,7 @@ lists:map(
 
     <func>
       <name name="statistics" arity="1" clause_i="9"
-	    anchor="statistics_run_queue"/>
+	    anchor="statistics_run_queue" since=""/>
       <fsummary>Information about the run-queues.</fsummary>
       <desc>
         <p>Returns the total length of all normal run-queues. That is, the number
@@ -6682,7 +6682,7 @@ lists:map(
 
     <func>
       <name name="statistics" arity="1" clause_i="10"
-	    anchor="statistics_run_queue_lengths"/>
+	    anchor="statistics_run_queue_lengths" since="?"/>
       <fsummary>Information about the run-queue lengths.</fsummary>
       <desc>
         <p>Returns the same as
@@ -6697,7 +6697,7 @@ lists:map(
 
     <func>
       <name name="statistics" arity="1" clause_i="11"
-	    anchor="statistics_run_queue_lengths_all"/>
+	    anchor="statistics_run_queue_lengths_all" since="?"/>
       <fsummary>Information about the run-queue lengths.</fsummary>
       <desc>
         <p>Returns a list where each element represents the amount
@@ -6739,7 +6739,7 @@ lists:map(
     </func>
 
     <func>
-      <name name="statistics" arity="1" clause_i="12"/>
+      <name name="statistics" arity="1" clause_i="12" since=""/>
       <fsummary>Information about runtime.</fsummary>
       <desc>
         <p>Returns information about runtime, in milliseconds.</p>
@@ -6758,7 +6758,7 @@ lists:map(
 
     <func>
       <name name="statistics" arity="1" clause_i="13"
-	    anchor="statistics_scheduler_wall_time"/>
+	    anchor="statistics_scheduler_wall_time" since="?"/>
       <fsummary>Information about each schedulers work time.</fsummary>
       <desc>
         <p>Returns a list of tuples with
@@ -6882,7 +6882,7 @@ ok
 
     <func>
       <name name="statistics" arity="1" clause_i="14"
-	    anchor="statistics_scheduler_wall_time_all"/>
+	    anchor="statistics_scheduler_wall_time_all" since="?"/>
       <fsummary>Information about each schedulers work time.</fsummary>
       <desc>
 	<p>The same as
@@ -6910,7 +6910,7 @@ ok
     </func>
     <func>
       <name name="statistics" arity="1" clause_i="15"
-	    anchor="statistics_total_active_tasks"/>
+	    anchor="statistics_total_active_tasks" since="?"/>
       <fsummary>Information about active processes and ports.</fsummary>
       <desc>
         <p>The same as calling
@@ -6921,7 +6921,7 @@ ok
 
     <func>
       <name name="statistics" arity="1" clause_i="16"
-	    anchor="statistics_total_active_tasks_all"/>
+	    anchor="statistics_total_active_tasks_all" since="?"/>
       <fsummary>Information about active processes and ports.</fsummary>
       <desc>
         <p>The same as calling
@@ -6932,7 +6932,7 @@ ok
 
     <func>
       <name name="statistics" arity="1" clause_i="17"
-	    anchor="statistics_total_run_queue_lengths"/>
+	    anchor="statistics_total_run_queue_lengths" since="?"/>
       <fsummary>Information about the run-queue lengths.</fsummary>
       <desc>
         <p>The same as calling
@@ -6943,7 +6943,7 @@ ok
 
     <func>
       <name name="statistics" arity="1" clause_i="18"
-	    anchor="statistics_total_run_queue_lengths_all"/>
+	    anchor="statistics_total_run_queue_lengths_all" since="?"/>
       <fsummary>Information about the run-queue lengths.</fsummary>
       <desc>
         <p>The same as calling
@@ -6953,7 +6953,7 @@ ok
     </func>
 
     <func>
-      <name name="statistics" arity="1" clause_i="19"/>
+      <name name="statistics" arity="1" clause_i="19" since=""/>
       <fsummary>Information about wall clock.</fsummary>
       <desc>
         <p>Returns information about wall clock. <c>wall_clock</c> can
@@ -6964,7 +6964,7 @@ ok
     </func>
 
     <func>
-      <name name="suspend_process" arity="1"/>
+      <name name="suspend_process" arity="1" since=""/>
       <fsummary>Suspend a process.</fsummary>
       <desc>
         <p>Suspends the process identified by
@@ -6979,7 +6979,7 @@ ok
     </func>
 
     <func>
-      <name name="suspend_process" arity="2"/>
+      <name name="suspend_process" arity="2" since=""/>
       <fsummary>Suspend a process.</fsummary>
       <desc>
         <p>Increases the suspend count on the process identified by
@@ -7125,7 +7125,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="1"/>
+      <name name="system_flag" arity="2" clause_i="1" since=""/>
       <fsummary>Set system flag <c>backtrace_depth</c>.</fsummary>
       <desc>
         <p>Sets the maximum depth of call stack back-traces in the
@@ -7138,7 +7138,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="2"
-	    anchor="system_flag_cpu_topology"/>
+	    anchor="system_flag_cpu_topology" since=""/>
       <fsummary>Set system flag <c>cpu_topology</c>.</fsummary>
       <type name="cpu_topology"/>
       <type name="level_entry"/>
@@ -7186,7 +7186,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="3"
-	    anchor="system_flag_dirty_cpu_schedulers_online"/>
+	    anchor="system_flag_dirty_cpu_schedulers_online" since="?"/>
       <fsummary>Set system_flag_dirty_cpu_schedulers_online.</fsummary>
       <desc>
         <p>
@@ -7214,7 +7214,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="4"/>
+      <name name="system_flag" arity="2" clause_i="4" since="?"/>
       <fsummary>Set system flag for erts_alloc.</fsummary>
       <desc>
         <p>Sets system flags for
@@ -7231,7 +7231,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="5"/>
+      <name name="system_flag" arity="2" clause_i="5" since=""/>
       <fsummary>Set system flag fullsweep_after.</fsummary>
       <desc>
         <p>Sets system flag <c>fullsweep_after</c>.
@@ -7251,7 +7251,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="6"
-	    anchor="system_flag_microstate_accounting"/>
+	    anchor="system_flag_microstate_accounting" since="?"/>
       <fsummary>Set system flag microstate_accounting.</fsummary>
       <desc>
         <p>
@@ -7264,7 +7264,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="7"/>
+      <name name="system_flag" arity="2" clause_i="7" since=""/>
       <fsummary>Set system flag min_heap_size.</fsummary>
       <desc>
         <p>Sets the default minimum heap size for processes. The size
@@ -7279,7 +7279,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="8"/>
+      <name name="system_flag" arity="2" clause_i="8" since="?"/>
       <fsummary>Set system flag min_bin_vheap_size.</fsummary>
       <desc>
         <p>Sets the default minimum binary virtual heap size for
@@ -7297,7 +7297,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="9"
-	    anchor="system_flag_max_heap_size"/>
+	    anchor="system_flag_max_heap_size" since="?"/>
       <fsummary>Set system flag max_heap_size.</fsummary>
       <type name="max_heap_size"/>
       <desc>
@@ -7315,7 +7315,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="10"
-	    anchor="system_flag_multi_scheduling"/>
+	    anchor="system_flag_multi_scheduling" since=""/>
       <fsummary>Set system flag multi_scheduling.</fsummary>
       <desc>
         <p>
@@ -7371,7 +7371,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="11"
-	    anchor="system_flag_scheduler_bind_type"/>
+	    anchor="system_flag_scheduler_bind_type" since=""/>
       <fsummary>Set system flag scheduler_bind_type.</fsummary>
       <type name="scheduler_bind_type"/>
       <desc>
@@ -7498,7 +7498,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="12"
-	    anchor="system_flag_scheduler_wall_time"/>
+	    anchor="system_flag_scheduler_wall_time" since="?"/>
       <fsummary>Set system flag scheduler_wall_time.</fsummary>
       <desc>
         <p>
@@ -7511,7 +7511,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="13"
-	    anchor="system_flag_schedulers_online"/>
+	    anchor="system_flag_schedulers_online" since=""/>
       <fsummary>Set system flag schedulers_online.</fsummary>
       <desc>
         <p>
@@ -7539,7 +7539,7 @@ ok
     </func>
 
     <func>
-      <name name="system_flag" arity="2" clause_i="14"/>
+      <name name="system_flag" arity="2" clause_i="14" since=""/>
       <fsummary>Set system flag trace_control_word.</fsummary>
       <desc>
         <p>Sets the value of the node trace control word to
@@ -7554,7 +7554,7 @@ ok
 
     <func>
       <name name="system_flag" arity="2" clause_i="15"
-	    anchor="system_flag_time_offset"/>
+	    anchor="system_flag_time_offset" since="?"/>
       <fsummary>Finalize the time offset.</fsummary>
       <desc>
         <p>
@@ -7583,7 +7583,7 @@ ok
     </func>
 
     <func>
-      <name name="system_info" arity="1" clause_i="76"/>
+      <name name="system_info" arity="1" clause_i="76" since=""/>
       <fsummary>System info overview.</fsummary>
       <desc>
         <p>Returns information about the current system.
@@ -7716,12 +7716,12 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="1"
-	    anchor="system_info_allocator"/>   <!-- allocated_areas -->
-      <name name="system_info" arity="1" clause_i="2"/>   <!-- allocator -->
-      <name name="system_info" arity="1" clause_i="3"/>   <!-- {allocator, _} -->
-      <name name="system_info" arity="1" clause_i="4"/>   <!-- alloc_util_allocators -->
-      <name name="system_info" arity="1" clause_i="5"/>   <!-- {allocator_sizes, _} -->
-      <name name="system_info" arity="1" clause_i="27"/>  <!-- elib_malloc -->
+	    anchor="system_info_allocator" since=""/>   <!-- allocated_areas -->
+      <name name="system_info" arity="1" clause_i="2" since=""/>   <!-- allocator -->
+      <name name="system_info" arity="1" clause_i="3" since=""/>   <!-- {allocator, _} -->
+      <name name="system_info" arity="1" clause_i="4" since=""/>   <!-- alloc_util_allocators -->
+      <name name="system_info" arity="1" clause_i="5" since=""/>   <!-- {allocator_sizes, _} -->
+      <name name="system_info" arity="1" clause_i="27" since=""/>  <!-- elib_malloc -->
       <fsummary>Information about the system allocators.</fsummary>
       <type variable="Allocator" name_i="2"/>
       <type variable="Version" name_i="2"/>
@@ -7873,10 +7873,10 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="12"
-	    anchor="system_info_cpu_topology"/>           <!-- cpu_topology -->
-      <name name="system_info" arity="1" clause_i="13"/>  <!-- {cpu_topology, _} -->
-      <name name="system_info" arity="1" clause_i="38"/>  <!-- logical_processors -->
-      <name name="system_info" arity="1" clause_i="73"/>  <!-- update_cpu_info -->
+	    anchor="system_info_cpu_topology" since=""/>           <!-- cpu_topology -->
+      <name name="system_info" arity="1" clause_i="13" since=""/>  <!-- {cpu_topology, _} -->
+      <name name="system_info" arity="1" clause_i="38" since=""/>  <!-- logical_processors -->
+      <name name="system_info" arity="1" clause_i="73" since="?"/>  <!-- update_cpu_info -->
       <fsummary>Information about the CPU topology of the system.</fsummary>
       <type name="cpu_topology"/>
       <type name="level_entry"/>
@@ -8028,15 +8028,15 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="31"
-	    anchor="system_info_process"/>  <!-- fullsweep_after -->
-      <name name="system_info" arity="1" clause_i="32"/>  <!-- garbage_collection -->
-      <name name="system_info" arity="1" clause_i="33"/>  <!-- heap_sizes -->
-      <name name="system_info" arity="1" clause_i="34"/>  <!-- heap_type -->
-      <name name="system_info" arity="1" clause_i="40"/>  <!-- max_heap_size -->
-      <name name="system_info" arity="1" clause_i="41"/>  <!-- message_queue_data -->
-      <name name="system_info" arity="1" clause_i="42"/>  <!-- min_heap_size -->
-      <name name="system_info" arity="1" clause_i="43"/>  <!-- min_bin_vheap_size -->
-      <name name="system_info" arity="1" clause_i="57"/>  <!-- procs -->
+	    anchor="system_info_process" since="?"/>  <!-- fullsweep_after -->
+      <name name="system_info" arity="1" clause_i="32" since=""/>  <!-- garbage_collection -->
+      <name name="system_info" arity="1" clause_i="33" since=""/>  <!-- heap_sizes -->
+      <name name="system_info" arity="1" clause_i="34" since=""/>  <!-- heap_type -->
+      <name name="system_info" arity="1" clause_i="40" since="?"/>  <!-- max_heap_size -->
+      <name name="system_info" arity="1" clause_i="41" since="?"/>  <!-- message_queue_data -->
+      <name name="system_info" arity="1" clause_i="42" since="?"/>  <!-- min_heap_size -->
+      <name name="system_info" arity="1" clause_i="43" since="?"/>  <!-- min_bin_vheap_size -->
+      <name name="system_info" arity="1" clause_i="57" since=""/>  <!-- procs -->
       <fsummary>Information about the default process heap settings.</fsummary>
       <type name="message_queue_data"/>
       <type name="max_heap_size"/>
@@ -8146,14 +8146,14 @@ ok
     </func>
 
     <func>
-      <name name="system_info" arity="1" clause_i="6" anchor="system_info_limits"/>   <!-- atom_count -->
-      <name name="system_info" arity="1" clause_i="7"/>   <!-- atom_limit -->
-      <name name="system_info" arity="1" clause_i="29"/>  <!-- ets_count -->
-      <name name="system_info" arity="1" clause_i="30"/>  <!-- ets_limit -->
-      <name name="system_info" arity="1" clause_i="53"/>  <!-- port_count -->
-      <name name="system_info" arity="1" clause_i="54"/>  <!-- port_limit -->
-      <name name="system_info" arity="1" clause_i="55"/>  <!-- process_count -->
-      <name name="system_info" arity="1" clause_i="56"/>  <!-- process_limit -->
+      <name name="system_info" arity="1" clause_i="6" anchor="system_info_limits" since="?"/>   <!-- atom_count -->
+      <name name="system_info" arity="1" clause_i="7" since="?"/>   <!-- atom_limit -->
+      <name name="system_info" arity="1" clause_i="29" since="?"/>  <!-- ets_count -->
+      <name name="system_info" arity="1" clause_i="30" since="?"/>  <!-- ets_limit -->
+      <name name="system_info" arity="1" clause_i="53" since="?"/>  <!-- port_count -->
+      <name name="system_info" arity="1" clause_i="54" since="?"/>  <!-- port_limit -->
+      <name name="system_info" arity="1" clause_i="55" since=""/>  <!-- process_count -->
+      <name name="system_info" arity="1" clause_i="56" since=""/>  <!-- process_limit -->
       <fsummary>Information about various system limits.</fsummary>
       <desc>
         <marker id="system_info_limits"/>
@@ -8227,14 +8227,14 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="26"
-	    anchor="system_info_time"/>  <!-- end_time -->
-      <name name="system_info" arity="1" clause_i="50"/>  <!-- os_monotonic_time_source -->
-      <name name="system_info" arity="1" clause_i="51"/>  <!-- os_system_time_source -->
-      <name name="system_info" arity="1" clause_i="63"/>  <!-- start_time -->
-      <name name="system_info" arity="1" clause_i="68"/>  <!-- time_correction -->
-      <name name="system_info" arity="1" clause_i="69"/>  <!-- time_offset -->
-      <name name="system_info" arity="1" clause_i="70"/>  <!-- time_warp_mode -->
-      <name name="system_info" arity="1" clause_i="71"/>  <!-- tolerant_timeofday -->
+	    anchor="system_info_time" since="OTP 18.0"/>  <!-- end_time -->
+      <name name="system_info" arity="1" clause_i="50" since="OTP 18.0"/>  <!-- os_monotonic_time_source -->
+      <name name="system_info" arity="1" clause_i="51" since="OTP 18.0"/>  <!-- os_system_time_source -->
+      <name name="system_info" arity="1" clause_i="63" since="OTP 18.0"/>  <!-- start_time -->
+      <name name="system_info" arity="1" clause_i="68" since="OTP 18.0"/>  <!-- time_correction -->
+      <name name="system_info" arity="1" clause_i="69" since="OTP 18.0"/>  <!-- time_offset -->
+      <name name="system_info" arity="1" clause_i="70" since="OTP 18.0"/>  <!-- time_warp_mode -->
+      <name name="system_info" arity="1" clause_i="71" since="?"/>  <!-- tolerant_timeofday -->
       <fsummary>Information about system time.</fsummary>
       <desc>
         <marker id="system_info_time_tags"/>
@@ -8455,19 +8455,19 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="17"
-	    anchor="system_info_scheduler"/>  <!-- dirty_cpu_schedulers -->
-      <name name="system_info" arity="1" clause_i="18"/>  <!-- dirty_cpu_schedulers_online -->
-      <name name="system_info" arity="1" clause_i="19"/>  <!-- dirty_io_schedulers -->
-      <name name="system_info" arity="1" clause_i="45"/>  <!-- multi_scheduling -->
-      <name name="system_info" arity="1" clause_i="46"/>  <!-- multi_scheduling_blockers -->
-      <name name="system_info" arity="1" clause_i="49"/>  <!-- normal_multi_scheduling_blockers -->
-      <name name="system_info" arity="1" clause_i="58"/>  <!-- scheduler_bind_type -->
-      <name name="system_info" arity="1" clause_i="59"/>  <!-- scheduler_bindings -->
-      <name name="system_info" arity="1" clause_i="60"/>  <!-- scheduler_id -->
-      <name name="system_info" arity="1" clause_i="61"/>  <!-- schedulers -->
-      <name name="system_info" arity="1" clause_i="62"/>  <!-- smp_support -->
-      <name name="system_info" arity="1" clause_i="66"/>  <!-- threads -->
-      <name name="system_info" arity="1" clause_i="67"/>  <!-- thread_pool_size -->
+	    anchor="system_info_scheduler" since="?"/>  <!-- dirty_cpu_schedulers -->
+      <name name="system_info" arity="1" clause_i="18" since="?"/>  <!-- dirty_cpu_schedulers_online -->
+      <name name="system_info" arity="1" clause_i="19" since="?"/>  <!-- dirty_io_schedulers -->
+      <name name="system_info" arity="1" clause_i="45" since=""/>  <!-- multi_scheduling -->
+      <name name="system_info" arity="1" clause_i="46" since=""/>  <!-- multi_scheduling_blockers -->
+      <name name="system_info" arity="1" clause_i="49" since="?"/>  <!-- normal_multi_scheduling_blockers -->
+      <name name="system_info" arity="1" clause_i="58" since=""/>  <!-- scheduler_bind_type -->
+      <name name="system_info" arity="1" clause_i="59" since=""/>  <!-- scheduler_bindings -->
+      <name name="system_info" arity="1" clause_i="60" since=""/>  <!-- scheduler_id -->
+      <name name="system_info" arity="1" clause_i="61" since=""/>  <!-- schedulers -->
+      <name name="system_info" arity="1" clause_i="62" since=""/>  <!-- smp_support -->
+      <name name="system_info" arity="1" clause_i="66" since=""/>  <!-- threads -->
+      <name name="system_info" arity="1" clause_i="67" since=""/>  <!-- thread_pool_size -->
       <fsummary>Information about system schedulers.</fsummary>
       <desc>
         <marker id="system_info_scheduler_tags"/>
@@ -8755,11 +8755,11 @@ ok
 
     <func>
       <name name="system_info" arity="1" clause_i="14"
-	    anchor="system_info_dist"/>  <!-- creation -->
-      <name name="system_info" arity="1" clause_i="16"/>  <!-- delayed_node_table_gc -->
-      <name name="system_info" arity="1" clause_i="20"/>  <!-- dist -->
-      <name name="system_info" arity="1" clause_i="21"/>  <!-- dist_buf_busy_limit -->
-      <name name="system_info" arity="1" clause_i="22"/>  <!-- dist_ctrl -->
+	    anchor="system_info_dist" since=""/>  <!-- creation -->
+      <name name="system_info" arity="1" clause_i="16" since="?"/>  <!-- delayed_node_table_gc -->
+      <name name="system_info" arity="1" clause_i="20" since=""/>  <!-- dist -->
+      <name name="system_info" arity="1" clause_i="21" since="?"/>  <!-- dist_buf_busy_limit -->
+      <name name="system_info" arity="1" clause_i="22" since=""/>  <!-- dist_ctrl -->
       <fsummary>Information about erlang distribution.</fsummary>
       <desc>
         <marker id="system_info_dist_tags"/>
@@ -8833,14 +8833,14 @@ ok
       <!-- <name name="system_info" arity="1" clause_i="6"/>   atom_count -->
       <!-- <name name="system_info" arity="1" clause_i="7"/>   atom_limit -->
       <name name="system_info" arity="1" clause_i="8"
-	    anchor="system_info_misc"/>   <!-- build_type -->
-      <name name="system_info" arity="1" clause_i="9"/>   <!-- c_compiler_used -->
-      <name name="system_info" arity="1" clause_i="10"/>  <!-- check_io -->
-      <name name="system_info" arity="1" clause_i="11"/>  <!-- compat_rel -->
+	    anchor="system_info_misc" since="?"/>   <!-- build_type -->
+      <name name="system_info" arity="1" clause_i="9" since=""/>   <!-- c_compiler_used -->
+      <name name="system_info" arity="1" clause_i="10" since=""/>  <!-- check_io -->
+      <name name="system_info" arity="1" clause_i="11" since=""/>  <!-- compat_rel -->
       <!-- <name name="system_info" arity="1" clause_i="12"/>  cpu_topology -->
       <!-- <name name="system_info" arity="1" clause_i="13"/>  {cpu_topology, _} -->
       <!-- <name name="system_info" arity="1" clause_i="14"/>  creation -->
-      <name name="system_info" arity="1" clause_i="15"/>  <!-- debug_compiled -->
+      <name name="system_info" arity="1" clause_i="15" since=""/>  <!-- debug_compiled -->
       <!-- <name name="system_info" arity="1" clause_i="16"/>  delayed_node_table_gc -->
       <!-- <name name="system_info" arity="1" clause_i="17"/>  dirty_cpu_schedulers -->
       <!-- <name name="system_info" arity="1" clause_i="18"/>  dirty_cpu_schedulers_online -->
@@ -8848,9 +8848,9 @@ ok
       <!-- <name name="system_info" arity="1" clause_i="20"/>  dist -->
       <!-- <name name="system_info" arity="1" clause_i="21"/>  dist_buf_busy_limit -->
       <!-- <name name="system_info" arity="1" clause_i="22"/>  dist_ctrl -->
-      <name name="system_info" arity="1" clause_i="23"/>  <!-- driver_version -->
-      <name name="system_info" arity="1" clause_i="24"/>  <!-- dynamic_trace -->
-      <name name="system_info" arity="1" clause_i="25"/>  <!-- dynamic_trace_probes -->
+      <name name="system_info" arity="1" clause_i="23" since=""/>  <!-- driver_version -->
+      <name name="system_info" arity="1" clause_i="24" since="?"/>  <!-- dynamic_trace -->
+      <name name="system_info" arity="1" clause_i="25" since="?"/>  <!-- dynamic_trace_probes -->
       <!-- <name name="system_info" arity="1" clause_i="26"/>  end_time -->
       <!-- <name name="system_info" arity="1" clause_i="27"/>  elib_malloc -->
       <!-- <name name="system_info" arity="1" clause_i="28"/>  eager_check_io, removed -->
@@ -8860,24 +8860,24 @@ ok
       <!-- <name name="system_info" arity="1" clause_i="32"/>  garbage_collection -->
       <!-- <name name="system_info" arity="1" clause_i="33"/>  heap_sizes -->
       <!-- <name name="system_info" arity="1" clause_i="34"/>  heap_type -->
-      <name name="system_info" arity="1" clause_i="35"/>  <!-- info -->
-      <name name="system_info" arity="1" clause_i="36"/>  <!-- kernel_poll -->
-      <name name="system_info" arity="1" clause_i="37"/>  <!-- loaded -->
+      <name name="system_info" arity="1" clause_i="35" since=""/>  <!-- info -->
+      <name name="system_info" arity="1" clause_i="36" since=""/>  <!-- kernel_poll -->
+      <name name="system_info" arity="1" clause_i="37" since=""/>  <!-- loaded -->
       <!-- <name name="system_info" arity="1" clause_i="38"/>  logical_processors -->
-      <name name="system_info" arity="1" clause_i="39"/>  <!-- machine -->
+      <name name="system_info" arity="1" clause_i="39" since=""/>  <!-- machine -->
       <!-- <name name="system_info" arity="1" clause_i="40"/>  max_heap_size -->
       <!-- <name name="system_info" arity="1" clause_i="41"/>  message_queue_data -->
       <!-- <name name="system_info" arity="1" clause_i="42"/>  min_heap_size -->
       <!-- <name name="system_info" arity="1" clause_i="43"/>  min_bin_vheap_size -->
-      <name name="system_info" arity="1" clause_i="44"/>  <!-- modified_timing_level -->
+      <name name="system_info" arity="1" clause_i="44" since=""/>  <!-- modified_timing_level -->
       <!-- <name name="system_info" arity="1" clause_i="45"/>  multi_scheduling -->
       <!-- <name name="system_info" arity="1" clause_i="46"/>  multi_scheduling_blockers -->
-      <name name="system_info" arity="1" clause_i="47"/>  <!-- nif_version -->
+      <name name="system_info" arity="1" clause_i="47" since="?"/>  <!-- nif_version -->
       <!-- n<name name="system_info" arity="1" clause_i="48"/>  ormal_multi_scheduling_blockers -->
-      <name name="system_info" arity="1" clause_i="49"/>  <!-- otp_release -->
+      <name name="system_info" arity="1" clause_i="49" since=""/>  <!-- otp_release -->
       <!-- <name name="system_info" arity="1" clause_i="50"/>  os_monotonic_time_source -->
       <!-- <name name="system_info" arity="1" clause_i="51"/>  os_system_time_source -->
-      <name name="system_info" arity="1" clause_i="52"/>  <!-- port_parallelism -->
+      <name name="system_info" arity="1" clause_i="52" since="?"/>  <!-- port_parallelism -->
       <!-- <name name="system_info" arity="1" clause_i="53"/>  port_count -->
       <!-- <name name="system_info" arity="1" clause_i="54"/>  port_limit -->
       <!-- <name name="system_info" arity="1" clause_i="55"/>  process_count -->
@@ -8889,18 +8889,18 @@ ok
       <!-- <name name="system_info" arity="1" clause_i="61"/>  schedulers -->
       <!-- <name name="system_info" arity="1" clause_i="62"/>  smp_support -->
       <!-- <name name="system_info" arity="1" clause_i="63"/>  start_time -->
-      <name name="system_info" arity="1" clause_i="64"/>  <!-- system_version -->
-      <name name="system_info" arity="1" clause_i="65"/>  <!-- system_architecture -->
+      <name name="system_info" arity="1" clause_i="64" since=""/>  <!-- system_version -->
+      <name name="system_info" arity="1" clause_i="65" since=""/>  <!-- system_architecture -->
       <!-- <name name="system_info" arity="1" clause_i="66"/>  threads -->
       <!-- <name name="system_info" arity="1" clause_i="67"/>  thread_pool_size -->
       <!-- <name name="system_info" arity="1" clause_i="68"/>  time_correction -->
       <!-- <name name="system_info" arity="1" clause_i="69"/>  time_offset -->
       <!-- <name name="system_info" arity="1" clause_i="70"/>  time_warp_mode -->
       <!-- <name name="system_info" arity="1" clause_i="71"/>  tolerant_timeofday -->
-      <name name="system_info" arity="1" clause_i="72"/>  <!-- trace_control_word -->
+      <name name="system_info" arity="1" clause_i="72" since=""/>  <!-- trace_control_word -->
       <!-- <name name="system_info" arity="1" clause_i="73"/>  update_cpu_info -->
-      <name name="system_info" arity="1" clause_i="74"/>  <!-- version -->
-      <name name="system_info" arity="1" clause_i="75"/>  <!-- wordsize -->
+      <name name="system_info" arity="1" clause_i="74" since=""/>  <!-- version -->
+      <name name="system_info" arity="1" clause_i="75" since=""/>  <!-- wordsize -->
       <!-- <name name="system_info" arity="1" clause_i="76"/>  overview -->
       <fsummary>Information about the system.</fsummary>
       <desc>
@@ -9110,7 +9110,7 @@ ok
     </func>
 
     <func>
-      <name name="system_monitor" arity="0"/>
+      <name name="system_monitor" arity="0" since=""/>
       <fsummary>Current system performance monitoring settings.</fsummary>
       <type name="system_monitor_option"/>
       <desc>
@@ -9124,7 +9124,7 @@ ok
     </func>
 
     <func>
-      <name name="system_monitor" arity="1"/>
+      <name name="system_monitor" arity="1" since=""/>
       <fsummary>Set or clear system performance monitoring options.</fsummary>
       <type name="system_monitor_option"/>
       <desc>
@@ -9142,7 +9142,7 @@ ok
     </func>
 
     <func>
-      <name name="system_monitor" arity="2"/>
+      <name name="system_monitor" arity="2" since=""/>
       <fsummary>Set system performance monitoring options.</fsummary>
       <type name="system_monitor_option"/>
       <desc>
@@ -9274,7 +9274,7 @@ ok
     </func>
 
     <func>
-      <name name="system_profile" arity="0"/>
+      <name name="system_profile" arity="0" since=""/>
       <fsummary>Current system profiling settings.</fsummary>
       <type name="system_profile_option"/>
       <desc>
@@ -9289,7 +9289,7 @@ ok
     </func>
 
     <func>
-      <name name="system_profile" arity="2"/>
+      <name name="system_profile" arity="2" since=""/>
       <fsummary>Current system profiling settings.</fsummary>
       <type name="system_profile_option"/>
       <desc>
@@ -9363,7 +9363,7 @@ ok
     </func>
 
     <func>
-      <name name="system_time" arity="0"/>
+      <name name="system_time" arity="0" since="OTP 18.0"/>
       <fsummary>Current Erlang system time.</fsummary>
       <desc>
         <p>Returns current
@@ -9385,7 +9385,7 @@ ok
     </func>
 
     <func>
-      <name name="system_time" arity="1"/>
+      <name name="system_time" arity="1" since="OTP 18.0"/>
       <fsummary>Current Erlang system time.</fsummary>
       <desc>
         <p>Returns current
@@ -9407,7 +9407,7 @@ ok
     </func>
 
     <func>
-      <name name="term_to_binary" arity="1"/>
+      <name name="term_to_binary" arity="1" since=""/>
       <fsummary>Encode a term to an Erlang external term format binary.
       </fsummary>
       <desc>
@@ -9435,7 +9435,7 @@ hello
     </func>
 
     <func>
-      <name name="term_to_binary" arity="2"/>
+      <name name="term_to_binary" arity="2" since=""/>
       <fsummary>Encode a term to en Erlang external term format binary.
       </fsummary>
       <desc>
@@ -9500,7 +9500,7 @@ hello
     </func>
 
     <func>
-      <name name="throw" arity="1"/>
+      <name name="throw" arity="1" since=""/>
       <fsummary>Throw an exception.</fsummary>
       <desc>
         <p>A non-local return from a function. If evaluated within a
@@ -9514,7 +9514,7 @@ hello
     </func>
 
     <func>
-      <name name="time" arity="0"/>
+      <name name="time" arity="0" since=""/>
       <fsummary>Current time.</fsummary>
       <desc>
         <p>Returns the current time as <c>{Hour, Minute, Second}</c>.</p>
@@ -9527,7 +9527,7 @@ hello
     </func>
 
     <func>
-      <name name="time_offset" arity="0"/>
+      <name name="time_offset" arity="0" since="OTP 18.0"/>
       <fsummary>Current time offset.</fsummary>
       <desc>
         <p>Returns the current time offset between
@@ -9559,7 +9559,7 @@ hello
     </func>
 
     <func>
-      <name name="time_offset" arity="1"/>
+      <name name="time_offset" arity="1" since="OTP 18.0"/>
       <fsummary>Current time offset.</fsummary>
       <desc>
         <p>Returns the current time offset between
@@ -9578,7 +9578,7 @@ hello
     </func>
 
     <func>
-      <name name="timestamp" arity="0"/>
+      <name name="timestamp" arity="0" since="OTP 18.0"/>
       <fsummary>Current Erlang System time.</fsummary>
       <type name="timestamp"/>
       <desc>
@@ -9617,7 +9617,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="tl" arity="1"/>
+      <name name="tl" arity="1" since=""/>
       <fsummary>Tail of a list.</fsummary>
       <desc>
         <p>Returns the tail of <c><anno>List</anno></c>, that is,
@@ -9632,7 +9632,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace" arity="3"/>
+      <name name="trace" arity="3" since=""/>
       <fsummary>Set trace flags for a process or processes.</fsummary>
       <type name="trace_flag"/>
       <desc>
@@ -10288,7 +10288,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_delivered" arity="1"/>
+      <name name="trace_delivered" arity="1" since=""/>
       <fsummary>Notification when trace has been delivered.</fsummary>
       <desc>
         <p>The delivery of trace messages (generated by
@@ -10343,7 +10343,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_info" arity="2"/>
+      <name name="trace_info" arity="2" since=""/>
       <fsummary>Trace information about a process or function.</fsummary>
       <type name="trace_info_return"/>
       <type name="trace_info_item_result"/>
@@ -10479,7 +10479,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_pattern" arity="2" clause_i="1"/>
+      <name name="trace_pattern" arity="2" clause_i="1" since=""/>
       <fsummary>Set trace patterns for call, send, or 'receive' tracing.
       </fsummary>
       <type name="trace_pattern_mfa"/>
@@ -10497,7 +10497,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_pattern" arity="3" clause_i="1"/>
+      <name name="trace_pattern" arity="3" clause_i="1" since="?"/>
       <fsummary>Set trace pattern for message sending.</fsummary>
       <type name="trace_match_spec"/>
       <type name="match_variable"/>
@@ -10568,7 +10568,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_pattern" arity="3" clause_i="2"/>
+      <name name="trace_pattern" arity="3" clause_i="2" since="?"/>
       <fsummary>Set trace pattern for tracing of message receiving.</fsummary>
       <type name="trace_match_spec"/>
       <type name="match_variable"/>
@@ -10640,7 +10640,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trace_pattern" arity="3" clause_i="3"/>
+      <name name="trace_pattern" arity="3" clause_i="3" since=""/>
       <fsummary>Set trace patterns for tracing of function calls.</fsummary>
       <type name="trace_pattern_mfa"/>
       <type name="trace_match_spec"/>
@@ -10831,7 +10831,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="trunc" arity="1"/>
+      <name name="trunc" arity="1" since=""/>
       <fsummary>Return an integer by truncating a number.</fsummary>
       <desc>
         <p>Returns an integer by truncating <c><anno>Number</anno></c>,
@@ -10844,7 +10844,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="tuple_size" arity="1"/>
+      <name name="tuple_size" arity="1" since=""/>
       <fsummary>Return the size of a tuple.</fsummary>
       <desc>
         <p>Returns an integer that is the number of elements in
@@ -10857,7 +10857,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="tuple_to_list" arity="1"/>
+      <name name="tuple_to_list" arity="1" since=""/>
       <fsummary>Convert a tuple to a list.</fsummary>
       <desc>
         <p>Returns a list corresponding to <c><anno>Tuple</anno></c>.
@@ -10870,7 +10870,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="unique_integer" arity="0"/>
+      <name name="unique_integer" arity="0" since="OTP 18.0"/>
       <fsummary>Get a unique integer value.</fsummary>
       <desc>
         <p>Generates and returns an
@@ -10883,7 +10883,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="unique_integer" arity="1"/>
+      <name name="unique_integer" arity="1" since="OTP 18.0"/>
       <fsummary>Get a unique integer value.</fsummary>
       <desc>
         <p>Generates and returns an
@@ -10965,7 +10965,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="universaltime" arity="0"/>
+      <name name="universaltime" arity="0" since=""/>
       <fsummary>Current date and time according to Universal Time Coordinated
         (UTC).</fsummary>
       <desc>
@@ -10982,7 +10982,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="universaltime_to_localtime" arity="1"/>
+      <name name="universaltime_to_localtime" arity="1" since=""/>
       <fsummary>Convert from Universal Time Coordinated (UTC) to local date
         and time.</fsummary>
       <desc>
@@ -11001,7 +11001,7 @@ timestamp() ->
     </func>
 
     <func>
-      <name name="unlink" arity="1"/>
+      <name name="unlink" arity="1" since=""/>
       <fsummary>Remove a link to another process or port.</fsummary>
       <desc>
         <p>Removes the link, if there is one, between the calling
@@ -11047,7 +11047,7 @@ end</code>
     </func>
 
     <func>
-      <name name="unregister" arity="1"/>
+      <name name="unregister" arity="1" since=""/>
       <fsummary>Remove the registered name for a process (or port).</fsummary>
       <desc>
         <p>Removes the registered name <c><anno>RegName</anno></c>
@@ -11063,7 +11063,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="whereis" arity="1"/>
+      <name name="whereis" arity="1" since=""/>
       <fsummary>Get the pid (or port) with a specified registered name.
       </fsummary>
       <desc>
@@ -11077,7 +11077,7 @@ true</pre>
     </func>
 
     <func>
-      <name name="yield" arity="0"/>
+      <name name="yield" arity="0" since=""/>
       <fsummary>Let other processes get a chance to execute.</fsummary>
       <desc>
         <p>Voluntarily lets other processes (if any) get a chance to