Steps to replicate the issue:

1. Start vanilla AutoWikiBrowser
2. Connect to uk.wikipedia.org
3. Turn on "Apply general fixes"
4. Add Вокзальна (станція метро, Подільсько-Вигурівська лінія) to the list of articles to be processed
5. On the skip tab, turn off "Only genfixes"
6. Click Start in Start

Before (1st line):
<!--''{{coord|display=title|50|31|54.73|N|30|36|32.44|E|type:landmark|scale=5000}}''-->

After:
1st line:
<!--''''-->

Bottom of article:

{{coord|display=title|50|31|54.73|N|30|36|32.44|E|type:landmark|scale=5000}}

What happens?:

Commented out {{coord}} moved to bottom of file.

What should have happened instead?:

Nothing.

Software version : AWB 6.4.0