fix wxwidget code gen for wxwindows-free license

Author: kikofernandez

lib/wx/api_gen/gen_util.erl

@@ -225,17 +225,17 @@ erl_gl_copyright() ->
     erl_copyright_template("Apache-2.0 AND SGI-B-2.0").
 
 erl_copyright() ->
-    erl_copyright("Apache-2.0").
+    erl_copyright_template("Apache-2.0").
 
 erl_wx_copyright() ->
-    erl_copyright("Apache-2.0 AND LicenseRef-scancode-wxwindows-free-doc-3").
+    erl_copyright_template("Apache-2.0 AND LicenseRef-scancode-wxwindows-free-doc-3").
 
 erl_copyright_template(License) ->
     StartYear = start_year(get(current_class)),
     {CurrentYear,_,_}   = erlang:date(),
     w("%%~n",[]),
-    w("%% %CopyrightBegin%
-    w("%%
+    w("%% %CopyrightBegin%~n",[]),
+    w("%%~n",[]),
     w("%% SPDX-License-Identifier: ~n",[License]),
     w("%%~n",[]),
     w("%% Copyright Ericsson AB ~p-~p. All Rights Reserved.~n",
@@ -253,8 +253,49 @@ erl_copyright_template(License) ->
     w("%% See the License for the specific language governing permissions and~n",[]),
     w("%% limitations under the License.~n",[]),
     w("%%~n",[]),
+    append_license(License),
     w("%% %CopyrightEnd%~n",[]).
 
+append_license("Apache-2.0 AND LicenseRef-scancode-wxwindows-free-doc-3") ->
+    w("%% For documentation, wxWindow Free Documentation License, Version 3 applies.~n",[]),
+    w("%% wxWindows Free Documentation Licence, Version 3, as follows.~n",[]),
+    w("%% ===============================================~n",[]),
+    w("%%~n",[]),
+    w("%% Everyone is permitted to copy and distribute verbatim copies~n",[]),
+    w("%% of this licence document, but changing it is not allowed.~n",[]),
+    w("%%~n",[]),
+    w("%%                  WXWINDOWS FREE DOCUMENTATION LICENCE~n",[]),
+    w("%%    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION~n",[]),
+    w("%%~n",[]),
+    w("%% 1. Permission is granted to make and distribute verbatim copies of this~n",[]),
+    w("%% manual or piece of documentation provided any copyright notice and this~n",[]),
+    w("%% permission notice are preserved on all copies.~n",[]),
+    w("%%~n",[]),
+    w("%% 2. Permission is granted to process this file or document through a~n",[]),
+    w("%% document processing system and, at your option and the option of any third~n",[]),
+    w("%% party, print the results, provided a printed document carries a copying~n",[]),
+    w("%% permission notice identical to this one.~n",[]),
+    w("%%~n",[]),
+    w("%% 3. Permission is granted to copy and distribute modified versions of this~n",[]),
+    w("%% manual or piece of documentation under the conditions for verbatim copying,~n",[]),
+    w("%% provided also that any sections describing licensing conditions for this~n",[]),
+    w("%% manual, such as, in particular, the GNU General Public Licence, the GNU~n",[]),
+    w("%% Library General Public Licence, and any wxWindows Licence are included~n",[]),
+    w("%% exactly as in the original, and provided that the entire resulting derived~n",[]),
+    w("%% work is distributed under the terms of a permission notice identical to~n",[]),
+    w("%% this one.~n",[]),
+    w("%%~n",[]),
+    w("%% 4. Permission is granted to copy and distribute translations of this manual~n",[]),
+    w("%% or piece of documentation into another language, under the above conditions~n",[]),
+    w("%% for modified versions, except that sections related to licensing, including~n",[]),
+    w("%% this paragraph, may also be included in translations approved by the~n",[]),
+    w("%% copyright holders of the respective licence documents in addition to the~n",[]),
+    w("%% original English.~n",[]),
+    w("%%~n",[]);
+append_license(_) ->
+    ok.
+
+
 c_copyright() ->
     {CurrentYear,_,_}   = erlang:date(),
     w("/*~n",[]),