Latex and quotation marks
One word: “stupid”.
No three words: “stupid”, “stupid”, “stupid.”
They don’t cover it in the TexnicCenter help. I’ve been through three online tutorials and no one has given the correct instructions for producing a left hand double quote.
Inexcusably bad usability.
Usability should be a required class for all Computer Science students. It would save the world a lot of time.