Fix doxygen CHM manual Javascript errors

docs/doxygen/Doxyfile

@@ -397,7 +397,7 @@ HTML_COLORSTYLE_SAT    = 255 # Default: 100
 HTML_COLORSTYLE_GAMMA  = 100 # Default: 80
 HTML_DYNAMIC_MENUS     = YES # TODO: Maybe NO
 HTML_DYNAMIC_SECTIONS  = YES # Default: NO
-HTML_CODE_FOLDING      = YES
+HTML_CODE_FOLDING      = $(HTML_CODE_FOLDING)
 HTML_COPY_CLIPBOARD    = YES
 HTML_PROJECT_COOKIE    =
 HTML_INDEX_NUM_ENTRIES = 100

docs/doxygen/custom_header_simple.html

@@ -7,7 +7,6 @@
 <!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
 <link href="$relpath$tabs.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="$relpath$jquery.js"></script>
-<script type="text/javascript" src="$relpath$dynsections.js"></script>
 $treeview
 $search
 $mathjax

docs/doxygen/regen.bat

@@ -33,6 +33,7 @@ set GENERATE_HTMLHELP=NO
 set GENERATE_LATEX=NO
 set GENERATE_QHP=NO
 set GENERATE_XML=NO
+set HTML_CODE_FOLDING=YES
 set SEARCHENGINE=NO
 set SERVER_BASED_SEARCH=NO
 
@@ -44,6 +45,7 @@ IF "%1" == "all" (
   IF "%1" == "chm" (
     set GENERATE_HTML=YES
     set GENERATE_HTMLHELP=YES
+    set HTML_CODE_FOLDING=NO
   ) ELSE (
     IF "%1" == "docset" (
       set GENERATE_DOCSET=YES

docs/doxygen/regen.sh

@@ -77,6 +77,7 @@ export GENERATE_HTMLHELP="NO"
 export GENERATE_LATEX="NO"
 export GENERATE_QHP="NO"
 export GENERATE_XML="NO"
+export HTML_CODE_FOLDING="YES"
 export SEARCHENGINE="NO"
 export SERVER_BASED_SEARCH="NO"
 
@@ -90,6 +91,7 @@ case "$1" in
     chm)
         export GENERATE_HTML="YES"
         export GENERATE_HTMLHELP="YES"
+        export HTML_CODE_FOLDING="NO"
         ;;
     docset)
         export GENERATE_DOCSET="YES"

docs/doxygen/wxwidgets.js

@@ -34,7 +34,11 @@ $(function() {
 
   var display = getCookie('sectionDiv.style.display');
   if ( display == '' || display == 'block' ) {
-    $('div.dynheader').each(function() { toggleVisibility(this); });
+    $('div.dynheader').each(function() {
+      if (typeof toggleVisibility === 'function') {
+        toggleVisibility(this);
+      }
+    });
     setCookie('sectionDiv.style.display', 'block');
   }