The Charms of City Boating
When checked, a value must be supplied in the entry field. When checked, all Urls will be generated from the Page Name, and replacing any spaces or special characters (&;:# and more) with the supplied value.
Example: My Test Page (Page Name), with replace space value of '_' becomes My_Test_Page (standard DNN value would be MyTestPage).
Common Usage: Administrators like to separate out individual words in Page Urls, so that search engines searching by keyword find the correct match, as many search engines regard characters like '-' and '_' as valid word separators.
NOTE: Changing the Page Extension requires changes to the IIS settings. If you do not have access to the IIS settings to set up custom page extension handling at the ISAPI level, changing this value will cause your site to stop functioning. Always test this setting on a non-critical test server before committing to running a site using 'None' or 'Page Only'