hyphens instead of underscores

docs/changelog/6.x.x.txt

@@ -6,6 +6,9 @@
  - fix [ 1173101 ] Template in ^LoginToggle();
  - Added a page to the help docs which tells you what Assets are enabled for this site.
  - Added a new Error Handling / Logging mechanism.
+ - Whitespace in URLs will now be replaced with hyphens (-) instead of
+   underscores (_) because there is some evidence that hyphens get better
+   search index ranking than underscores.
 
 
 6.5.5

lib/WebGUI/i18n/English.pm

@@ -13,7 +13,7 @@ sub makeUrlCompliant {
         $value =~ s/\s+$//;                     #removes trailing whitespace
         $value =~ s/^\s+//;                     #removes leading whitespace
         $value =~ s/^\\//;                      #removes leading slash
-        $value =~ s/ /_/g;                      #replaces whitespace with underscores
+        $value =~ s/ /-/g;                      #replaces whitespace with hyphens
         $value =~ s/\.$//;                      #removes trailing period
         $value =~ s/[^A-Za-z0-9\-\.\_\/]//g;    #removes all funky characters
         $value =~ s/^\///;                      #removes a preceeding /