There is a condition inside idfilter() function that helps Apache on Windows to properly handle colon as a namespace separator by replacing it with semicolon. However, this is not necessary on Microsoft IIS server so the condition was improved.

FS#2700)

Note: These changes don't work yet. The cookie is not set and deletes the old
one.

fix for FS#2676, inserting zero length spaces into long sequences of non-breaking characters in diffs

This should make migrating from MediaWiki a bit easier.

The new deletePageNoLock method is used by renamePage and avoids that
the index needs to be unlocked and locked again for deleting the page.

This was updated in the english translation a while ago, but was still
missing in some translations

Custom editors can also be loaded when not a section is given. For
example this happens on a preview click where the page is already
separated into pre, suf and text.