Replace "this wiki" with SITENAME in "searchmenu-exists"
I'm aware of that but
- messages in other languages won't be changes until someone manually updates them with SITENAME and GRAMMAR if necessary
- overall I think use of SITENAME would make wikis experience more individual (SITENAME is pretty much a standard in most extensions/core messages).
Anyway this is a small change in one message that no so much people will see (most visitors comes from Google or direct search suggestions) so I'm not going to argue about it too much.
Then read my message again please. There are at least few wikis that changed this message only to use their wiki names instead of generic "this wiki" text. Saving the time of admins on another ones is my key point here but if you want to be against my idea just for being against, feel free.