--- /dev/null
+From [[Recai]].
+
+Note that this isn't safe since it needs to check file types from the CGI
+against the list of allowed file types. Also, renaming a page won't work so
+at least the first cut needs to be changed to only allow changing file type
+when crating a new page. -- [[Joey]]
+
+diff -rup ikiwiki.orig/IkiWiki/CGI.pm ikiwiki/IkiWiki/CGI.pm
+--- ikiwiki.orig/IkiWiki/CGI.pm 2006-07-08 02:33:07.000000000 +0300
++++ ikiwiki/IkiWiki/CGI.pm 2006-07-08 18:27:24.000000000 +0300
+@@ -310,7 +310,7 @@ sub cgi_editpage ($$) { #{{{
+
+ eval q{use CGI::FormBuilder};
+ my $form = CGI::FormBuilder->new(
+- fields => [qw(do rcsinfo subpage from page editcontent comments)],
++ fields => [qw(do rcsinfo subpage from page type editcontent comments)],
+ header => 1,
+ charset => "utf-8",
+ method => 'POST',
+@@ -337,12 +337,21 @@ sub cgi_editpage ($$) { #{{{
+ $page=lc($page);
+
+ my $file;
+- if (exists $pagesources{lc($page)}) {
+- $file=$pagesources{lc($page)};
++ my $type;
++ if (exists $pagesources{$page}) {
++ $file=$pagesources{$page};
++ $type=pagetype($file);
+ }
+ else {
+- $file=$page.".".$config{default_pageext};
++ $type=$form->param('type');
++ if (defined $type && length $type) {
++ $type=possibly_foolish_untaint($type);
++ } else {
++ $type=$config{default_pageext};
++ }
++ $file=$page.".".$type;
+ }
++
+ my $newfile=0;
+ if (! -e "$config{srcdir}/$file") {
+ $newfile=1;
+@@ -353,6 +362,7 @@ sub cgi_editpage ($$) { #{{{
+ $form->field(name => "rcsinfo", type => 'hidden');
+ $form->field(name => "subpage", type => 'hidden');
+ $form->field(name => "page", value => "$page", force => 1);
++ $form->field(name => "type", value => "$type", force => 1, type => 'hidden');
+ $form->field(name => "comments", type => "text", size => 80);
+ $form->field(name => "editcontent", type => "textarea", rows => 20,
+ cols => 80);
+@@ -382,8 +392,7 @@ sub cgi_editpage ($$) { #{{{
+ $form->field(name => "comments",
+ value => $comments, force => 1);
+ $form->tmpl_param("page_preview",
+- htmlize(pagetype($file),
+- linkify($page, $page, $content)));
++ htmlize($type, linkify($page, $page, $content)));
+ }
+ else {
+ $form->tmpl_param("page_preview", "");
+@@ -395,6 +404,8 @@ sub cgi_editpage ($$) { #{{{
+ if ($form->field("do") eq "create") {
+ my @page_locs;
+ my $best_loc;
++ my @page_types;
++ my $best_type;
+ my ($from)=$form->param('from')=~/$config{wiki_file_regexp}/;
+ if (! defined $from || ! length $from ||
+ $from ne $form->param('from') ||
+@@ -435,9 +446,24 @@ sub cgi_editpage ($$) { #{{{
+ return;
+ }
+
++ if (exists $hooks{htmlize}) {
++ @page_types=keys %{$hooks{htmlize}};
++ }
++ else {
++ @page_types=($type);
++ }
++
++ # favor the type of originated page
++ $best_type=pagetype($pagesources{$from});
++ if (! defined $best_type || ! length $best_type) {
++ $best_type=$type;
++ }
++
+ $form->tmpl_param("page_select", 1);
+ $form->field(name => "page", type => 'select',
+ options => \@page_locs, value => $best_loc);
++ $form->field(name => "type", type => 'select',
++ options => \@page_types, value => $best_type);
+ $form->title("creating ".pagetitle($page));
+ }
+ elsif ($form->field("do") eq "edit") {
+@@ -454,6 +480,7 @@ sub cgi_editpage ($$) { #{{{
+ }
+ $form->tmpl_param("page_select", 0);
+ $form->field(name => "page", type => 'hidden');
++ $form->field(name => "type", type => 'hidden');
+ $form->title("editing ".pagetitle($page));
+ }
+
+@@ -503,6 +530,7 @@ sub cgi_editpage ($$) { #{{{
+ $form->field("do", "edit)");
+ $form->tmpl_param("page_select", 0);
+ $form->field(name => "page", type => 'hidden');
++ $form->field(name => "type", type => 'hidden');
+ $form->title("editing $page");
+ print $form->render(submit => \@buttons);
+ return;
+diff -rup ikiwiki.orig/templates/editpage.tmpl ikiwiki/templates/editpage.tmpl
+--- ikiwiki.orig/templates/editpage.tmpl 2006-07-03 03:13:46.000000000 +0300
++++ ikiwiki/templates/editpage.tmpl 2006-07-08 18:04:48.000000000 +0300
+@@ -28,9 +28,11 @@ confict and commit again to save your ch
+ <TMPL_VAR FIELD-RCSINFO>
+ <TMPL_IF NAME="PAGE_SELECT">
+ Page location: <TMPL_VAR FIELD-PAGE>
++Page type: <TMPL_VAR FIELD-TYPE>
+ <TMPL_ELSE>
+ <br />
+ <TMPL_VAR FIELD-PAGE>
++<TMPL_VAR FIELD-TYPE>
+ </TMPL_IF>
+ <TMPL_VAR FIELD-EDITCONTENT><br />
+ <TMPL_IF NAME="CAN_COMMIT">