3 files changed, 35 insertions, 7 deletions

diff --git a/lib/erl_docgen/doc/src/notes.xml b/lib/erl_docgen/doc/src/notes.xml
index e546eb97fc..f194fb6d6c 100644
--- a/lib/erl_docgen/doc/src/notes.xml
+++ b/lib/erl_docgen/doc/src/notes.xml
@@ -30,7 +30,23 @@
   </header>
   <p>This document describes the changes made to the <em>erl_docgen</em> application.</p>
 
-  <section><title>Erl_Docgen 0.3.5</title>
+  <section><title>Erl_Docgen 0.3.6</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+          <p>
+	    Fix spec to doc generation from erl_docgen and edoc for
+	    maps</p>
+          <p>
+	    Own Id: OTP-12058</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
+<section><title>Erl_Docgen 0.3.5</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
       <list>
diff --git a/lib/erl_docgen/src/docgen_otp_specs.erl b/lib/erl_docgen/src/docgen_otp_specs.erl
index 886194598f..e2eee2b3c0 100644
--- a/lib/erl_docgen/src/docgen_otp_specs.erl
+++ b/lib/erl_docgen/src/docgen_otp_specs.erl
@@ -388,8 +388,8 @@ t_type([#xmlElement{name = nonempty_list, content = Es}]) ->
     t_nonempty_list(Es);
 t_type([#xmlElement{name = tuple, content = Es}]) ->
     t_tuple(Es);
-t_type([#xmlElement{name = map}]) ->
-    t_map();
+t_type([#xmlElement{name = map, content = Es}]) ->
+    t_map(Es);
 t_type([#xmlElement{name = 'fun', content = Es}]) ->
     ["fun("] ++ t_fun(Es) ++ [")"];
 t_type([E = #xmlElement{name = record, content = Es}]) ->
@@ -432,8 +432,12 @@ t_nonempty_list(Es) ->
 t_tuple(Es) ->
     ["{"] ++ seq(fun t_utype_elem/1, Es, ["}"]).
 
-t_map() ->
-    ["map()"].
+t_map(Es) ->
+    Fs = get_elem(map_field, Es),
+    ["#{"] ++ seq(fun t_map_field/1, Fs, ["}"]).
+
+t_map_field(#xmlElement{content = [K,V]}) ->
+    [t_utype_elem(K) ++ " => " ++ t_utype_elem(V)].
 
 t_fun(Es) ->
     ["("] ++ seq(fun t_utype_elem/1, get_content(argtypes, Es),
@@ -550,12 +554,14 @@ ot_type([#xmlElement{name = nonempty_list, content = Es}]) ->
     ot_nonempty_list(Es);
 ot_type([#xmlElement{name = tuple, content = Es}]) ->
     ot_tuple(Es);
+ot_type([#xmlElement{name = map, content = Es}]) ->
+    ot_map(Es);
 ot_type([#xmlElement{name = 'fun', content = Es}]) ->
     ot_fun(Es);
 ot_type([#xmlElement{name = record, content = Es}]) ->
     ot_record(Es);
 ot_type([#xmlElement{name = abstype, content = Es}]) ->
-     ot_abstype(Es);
+    ot_abstype(Es);
 ot_type([#xmlElement{name = union, content = Es}]) ->
     ot_union(Es).
 
@@ -606,6 +612,12 @@ ot_nonempty_list(Es) ->
 ot_tuple(Es) ->
     {type,0,tuple,[ot_utype_elem(E) || E <- Es]}.
 
+ot_map(Es) ->
+    {type,0,map,[ot_map_field(E) || E <- get_elem(map_field,Es)]}.
+
+ot_map_field(#xmlElement{content=[K,V]}) ->
+    {type,0,map_field_assoc,[ot_utype_elem(K),ot_utype_elem(V)]}.
+
 ot_fun(Es) ->
     Range = ot_utype(get_elem(type, Es)),
     Args = [ot_utype_elem(A) || A <- get_content(argtypes, Es)],
diff --git a/lib/erl_docgen/vsn.mk b/lib/erl_docgen/vsn.mk
index 0f89922275..8bfcc08698 100644
--- a/lib/erl_docgen/vsn.mk
+++ b/lib/erl_docgen/vsn.mk
@@ -1 +1 @@
-ERL_DOCGEN_VSN = 0.3.5
+ERL_DOCGEN_VSN = 0.3.6