Merge branch 'bjorn/asn1/clean-up-backends/OTP-10410'

* bjorn/asn1/clean-up-backends/OTP-10410:
  Simplify the code for the generated info/0 function
  Don't try to work around a non-loadable NIF library
  Fix BER encoding when multiple levels of typedefs are used
  Update megaco documentation
  Update documentation for the asn1 application
  Fix other applications
  Fix use of asn1 in megaco
  Remove the unused asn1ct_gen_ber module
  Remove the unused asn1ct_constructed_ber module
  Remove the unused asn1ct_per_bin module
  Remove unused functions in asn1rt_ber_bin
  Remove obsolete back-ends and simplify the options
  Make the specialized decodes work with the 'nif' option
  Remove support for the obsolete {Typename,Value} tuple notation
  Remove tests for the obsolete {TypeName,Value} notation
  Remove the obsolete and deprecated 'keyed_list' option

1 files changed, 8 insertions, 31 deletions

diff --git a/lib/asn1/doc/src/asn1rt.xml b/lib/asn1/doc/src/asn1rt.xml
index 0c3c257189..f2cac0c9e7 100644
--- a/lib/asn1/doc/src/asn1rt.xml
+++ b/lib/asn1/doc/src/asn1rt.xml
@@ -47,35 +47,34 @@
       <type>
         <v>Module = Type = atom()</v>
         <v>Value = Reason = term()</v>
-        <v>Bytes = binary | [Int] when integer(Int), Int >= 0, Int =&lt; 255 | binary</v>
+        <v>Bytes = binary</v>
       </type>
       <desc>
-        <p>Decodes <c>Type</c> from <c>Module</c> from the list of bytes or
-          binary <c>Bytes</c>. If the module is compiled with <c>ber_bin</c>
-          or <c>per_bin</c> option <c>Bytes</c> must be a binary. 
+        <p>Decodes <c>Type</c> from <c>Module</c> from the binary <c>Bytes</c>.
           Returns <c>{ok,Value}</c> if successful.</p>
       </desc>
     </func>
 
     <func>
-      <name>encode(Module,Type,Value)-> {ok,BinOrList} | {error,Reason}</name>
+      <name>encode(Module,Type,Value)-> {ok,Bytes} | {error,Reason}</name>
       <fsummary>Encode an ASN.1 value.</fsummary>
       <type>
         <v>Module = Type = atom()</v>
         <v>Value = term()</v>
-        <v>BinOrList = Bytes | binary()</v>
-        <v>Bytes = [Int|binary|Bytes] when integer(Int), Int >= 0, Int =&lt; 255</v>
+        <v>Bytes = binary</v>
         <v>Reason = term()</v>
       </type>
       <desc>
         <p>Encodes <c>Value</c> of <c>Type</c> defined in the ASN.1 module 
           <c>Module</c>. Returns a possibly nested list of bytes and or binaries 
-          if successful. If <c>Module</c> was compiled with the options <c>per_bin</c> and <c>optimize</c> the result is a binary. To get as 
-          fast execution as possible the 
+          if successful. To get as fast execution as possible the
           encode function only performs rudimentary tests that the input 
           <c>Value</c>
           is a correct instance of <c>Type</c>. The length of strings is for example
           not always checked. </p>
+	  <note>
+	  <p>Starting in R16, <c>Bytes</c> is always a binary.</p>
+	  </note>
       </desc>
     </func>
 
@@ -95,28 +94,6 @@
     </func>
 
     <func>
-      <name>load_driver() ->  ok | {error,Reason}</name>
-      <fsummary>Loads the linked-in driver. (deprecated)</fsummary>
-      <type>
-        <v>Reason = term()</v>
-      </type>
-      <desc>
-	<p>This function is obsolete and will be removed in R16A</p>
-      </desc>
-    </func>
-
-    <func>
-      <name>unload_driver() ->  ok | {error,Reason}</name>
-      <fsummary>Unloads the linked-in driver. (deprecated)</fsummary>
-      <type>
-        <v>Reason = term()</v>
-      </type>
-      <desc>
-	<p>This function is obsolete and will be removed in R16A</p>
-      </desc>
-    </func>
-
-    <func>
       <name>utf8_binary_to_list(UTF8Binary) ->  {ok,UnicodeList} | {error,Reason}</name>
       <fsummary>Transforms an utf8 encoded binary to a unicode list.</fsummary>
       <type>