Did you try to clean your browser cache? The problem with the special characters in the wiki links has been solved a long time ago… maybe some old cookie or cache data is affecting your access.
You can try this also:
https://wiki.blackmesasource.com/WGH
(I created a shortcut for each chapter page using the chapter initials, to make search easier).
. I’ve also tried to jam them open with barrels, but the doors must be magnetic, for they fly away on contact. In one part I could use the conveyor belts to bypass the door, but that’s it.