### Eclipse Workspace Patch 1.0
#P moodlesf
Index: help.php
===================================================================
RCS file: /cvsroot/moodle/moodle/help.php,v
retrieving revision 1.34
diff -u -r1.34 help.php
--- help.php	22 Aug 2006 22:12:17 -0000	1.34
+++ help.php	10 Nov 2006 10:26:31 -0000
@@ -44,28 +44,53 @@
             continue;
         }
 
-        // Work out which directory the help files live in.
-        if ($lang == 'en_utf8') {
-            $helpdir = $CFG->dirroot;
-        } else {
-            $helpdir = $CFG->dataroot;
+        // Work out/locate which directory the help files may live in.
+        // Then which file in there we should be serving.
+        // Set module/file subpath (set to $file for $module == 'moodle'
+        $modfile = $file;
+        if ($module != 'moodle') {
+            $modfile = $module.'/'.$file;
         }
-        $helpdir .= "/lang/$lang/help";
 
-        // Then which file in there we should be serving.
-        if ($module == 'moodle') {
-            $filepath = "$helpdir/$file";
-        } else {
-            $filepath = "$helpdir/$module/$file";
+        // Check for moodle source help directory
+        $fileexists = false;
+        if (is_dir($CFG->dirroot.'/lang/'.$lang.'/help')) {
+
+            // Check if file exists (and readable) in _local directory
+            $filepath = $CFG->dirroot.'/lang/'.$lang.'_local/help/'.$modfile;
+            $fileexists = file_exists_and_readable($filepath);
+
+            // Check source help directory if no _local help directory or file does not exist
+            if (!$fileexists) {
+
+                // Get file exists (and readable) flag
+                $filepath = $CFG->dirroot.'/lang/'.$lang.'/help/'.$modfile;
+                $fileexists = file_exists_and_readable($filepath);
+            }
+        }
 
-            // If that does not exist, try a fallback into the module code folder.
-            if (!file_exists($filepath)) {
-                $filepath = "$CFG->dirroot/mod/$module/lang/$lang/help/$module/$file";
+        // Check data help directory if no source help directories or file does not exist
+        if (!$fileexists && is_dir($CFG->dataroot.'/lang/'.$lang.'/help')) {
+
+            // Check if file exists (and readable) in _local directory
+            $filepath = $CFG->dataroot.'/lang/'.$lang.'_local/help/'.$modfile;
+            $fileexists = file_exists_and_readable($filepath);
+
+            // Check data help directory if no _local help directory or file does not exist
+            if (!$fileexists) {
+                $filepath = $CFG->dataroot.'/lang/'.$lang.'/help/'.$modfile;
+                $fileexists = file_exists_and_readable($filepath);
             }
         }
 
+        // Last chance, if all else fails, try a fallback into the module code folder.
+        if (!$fileexists && $module != 'moodle') {
+            $filepath = $CFG->dirroot.'/mod/'.$module.'/lang/'.$lang.'/help/'.$modfile;
+            $fileexists = file_exists_and_readable($filepath);
+        }
+
         // Now, try to include the help text from this file, if we can.
-        if (file_exists_and_readable($filepath)) {
+        if ($fileexists) {
             $helpfound = true;
             @include($filepath);   // The actual helpfile