see attachment
If the code highlighter is enabled you cannot scroll the edit-zone or even click on any text in there.
You have to toggle the highlighter off to exit the wiki-page.
If you turn on Full WYSIWYG EDITOR, the exit-zone goes blank you can check this on the try for free servers version 26. WYSIWYG does not work
In the screen grab I highlight that the scroll handle is visible when the highlighter is disabled but it vanishes when the highlighter is enabled.
To help developers solve the bug, we kindly request that you demonstrate your bug on a show2.tiki.org instance. To start, simply select a version and click on "Create show2.tiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show2.tiki.org.
To help developers solve the bug, we kindly request that you demonstrate your bug on a show.tikiwiki.org instance. To start, simply select a version and click on "Create show.tikiwiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show.tikiwiki.org.