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, 12 insertions, 12 deletions

diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml
index 5fd5760499..f15b1a2dd3 100644
--- a/lib/stdlib/doc/src/supervisor.xml
+++ b/lib/stdlib/doc/src/supervisor.xml
@@ -28,7 +28,7 @@
     <date></date>
     <rev></rev>
   </header>
-  <module>supervisor</module>
+  <module since="">supervisor</module>
   <modulesummary>Generic supervisor behavior.</modulesummary>
   <description>
     <p>This behavior module provides a supervisor, a process that
@@ -318,7 +318,7 @@ child_spec() = #{id => child_id(),       % mandatory
 
   <funcs>
     <func>
-      <name name="check_childspecs" arity="1"/>
+      <name name="check_childspecs" arity="1" since=""/>
       <fsummary>Check if children specifications are syntactically correct.
       </fsummary>
       <desc>
@@ -329,7 +329,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="count_children" arity="1"/>
+      <name name="count_children" arity="1" since="OTP R13B04"/>
       <fsummary>Return counts for the number of child specifications,
         active children, supervisors, and workers.</fsummary>
       <desc>
@@ -366,7 +366,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="delete_child" arity="2"/>
+      <name name="delete_child" arity="2" since=""/>
       <fsummary>Delete a child specification from a supervisor.</fsummary>
       <desc>
         <p>Tells supervisor <c><anno>SupRef</anno></c> to delete the child
@@ -387,7 +387,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="get_childspec" arity="2"/>
+      <name name="get_childspec" arity="2" since="OTP 18.0"/>
       <fsummary>Return the child specification map for the specified
         child.</fsummary>
       <desc>
@@ -400,7 +400,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="restart_child" arity="2"/>
+      <name name="restart_child" arity="2" since=""/>
       <fsummary>Restart a terminated child process belonging to a supervisor.
       </fsummary>
       <desc>
@@ -436,7 +436,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="start_child" arity="2"/>
+      <name name="start_child" arity="2" since=""/>
       <fsummary>Dynamically add a child process to a supervisor.</fsummary>
       <type name="startchild_ret"/>
       <type name="startchild_err"/>
@@ -503,8 +503,8 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="start_link" arity="2"/>
-      <name name="start_link" arity="3"/>
+      <name name="start_link" arity="2" since=""/>
+      <name name="start_link" arity="3" since=""/>
       <fsummary>Create a supervisor process.</fsummary>
       <type name="startlink_ret"/>
       <type name="startlink_err"/>
@@ -584,7 +584,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="terminate_child" arity="2"/>
+      <name name="terminate_child" arity="2" since=""/>
       <fsummary>Terminate a child process belonging to a supervisor.</fsummary>
       <desc>
         <p>Tells supervisor <c><anno>SupRef</anno></c> to terminate the
@@ -621,7 +621,7 @@ child_spec() = #{id => child_id(),       % mandatory
     </func>
 
     <func>
-      <name name="which_children" arity="1"/>
+      <name name="which_children" arity="1" since=""/>
       <fsummary>Return information about all children specifications and
         child processes belonging to a supervisor.</fsummary>
       <desc>
@@ -666,7 +666,7 @@ child_spec() = #{id => child_id(),       % mandatory
 
   <funcs>
     <func>
-      <name>Module:init(Args) -> Result</name>
+      <name since="">Module:init(Args) -> Result</name>
       <fsummary>Return a supervisor specification.</fsummary>
       <type>
         <v>Args = term()</v>