Removing the F5-shortcut solves the problem for me. Using F1 does not cause any problems. Maybe something of note for debugging: when I now type 't only the apostrophe appears and the cursor is in front of the apostrophe. Maybe that weird behavior has something to do with the problem. Thanks for the help anyway! :)
No problem. If I ever find the cause I'll let you know! :)
Not fixed in 2.12.6. "TeXstudio 2.12.6 (hg 6632:7777b2b8a906) Maakt gebruik van Qt Version 5.9.1, gecompileerd met Qt 5.9.1 R"
Not fixed in 2.12.6.
Not fixed in 2.12.4.
Yes it does. By the way, it doesn't happen if I type it before running Build & View...
Dutch locale on a US International keyboard.
I do not. Also, this does not occur in Word or Google Docs.