[edoc] Introduce Unicode support for source files

1 files changed, 16 insertions, 4 deletions

diff --git a/lib/edoc/src/edoc_doclet.erl b/lib/edoc/src/edoc_doclet.erl
index 385d20e9ae..d6561e10fc 100644
--- a/lib/edoc/src/edoc_doclet.erl
+++ b/lib/edoc/src/edoc_doclet.erl
@@ -193,7 +193,8 @@ source({M, P, Name, Path}, Dir, Suffix, Env, Set, Private, Hidden,
 		true ->
 		    Text = edoc:layout(Doc, Options),
 		    Name1 = packages:last(M) ++ Suffix,
-		    edoc_lib:write_file(Text, Dir, Name1, P),
+                    Encoding = [{encoding,encoding(Doc)}],
+		    edoc_lib:write_file(Text, Dir, Name1, P, Encoding),
 		    {sets:add_element(Module, Set), Error};
 		false ->
 		    {Set, Error}
@@ -359,14 +360,19 @@ xhtml_1(Title, CSS, Body) ->
 overview(Dir, Title, Env, Opts) ->
     File = proplists:get_value(overview, Opts,
 			       filename:join(Dir, ?OVERVIEW_FILE)),
+    Encoding = edoc_lib:read_encoding(File, [{in_comment_only, false}]),
     Tags = read_file(File, overview, Env, Opts),
-    Data = edoc_data:overview(Title, Tags, Env, Opts),
+    Data0 = edoc_data:overview(Title, Tags, Env, Opts),
+    EncodingAttribute = #xmlAttribute{name = encoding,
+                                      value = atom_to_list(Encoding)},
+    #xmlElement{attributes = As} = Data0,
+    Data = Data0#xmlElement{attributes = [EncodingAttribute | As]},
     F = fun (M) ->
 		M:overview(Data, Opts)
 	end,
     Text = edoc_lib:run_layout(F, Opts),
-    edoc_lib:write_file(Text, Dir, ?OVERVIEW_SUMMARY).
-
+    EncOpts = [{encoding,Encoding}],
+    edoc_lib:write_file(Text, Dir, ?OVERVIEW_SUMMARY, '', EncOpts).
 
 copy_image(Dir) ->
     case code:priv_dir(?EDOC_APP) of
@@ -441,6 +447,12 @@ is_hidden(E) ->
  	_ -> false
     end.
 
+encoding(E) ->
+    case get_attrval(encoding, E) of
+        "latin1" -> latin1;
+        _ -> utf8
+    end.
+
 get_attrval(Name, #xmlElement{attributes = As}) ->
     case get_attr(Name, As) of
 	[#xmlAttribute{value = V}] ->