The forums are in two sections. Community is for everyone, and Developers is for building.
Which category
- Something broken? Bug Reports, with what you did and what happened instead.
- Something missing? Suggestions. Concrete beats enthusiastic.
- Stuck? Help and Support. Search first.
- Code? Scripting Help.
- Finished something? Showcase.
Announcements is the one category where only staff start threads. Anyone can reply to them.
Accepted answers
In Help and Support and in Scripting Help, the person who asked can mark one reply as the answer. It then sits at the top of the thread for the next person who searches for the same problem.
Please do mark them. It is the difference between a forum and a pile of questions.
Formatting
Posts take a small amount of markup. The full list is in the markup reference, which is generated from the code that does the parsing, so it is always right.
The short version: two asterisks around bold, one around italic, backticks around code, a line starting with a greater-than sign for a quote, a dash for a bullet, three hashes for a heading, and three backticks fencing a block of code.
Anything that is not on that list is shown as the characters you typed. You cannot break a page by accident, and you cannot break one on purpose either: a post is never treated as part of the page.
Editing and deleting
You can edit your own post for an hour, and the post says that it was edited and how many times. A silent edit after somebody has replied is how arguments get rewritten.
A removed post leaves a marker where it was, so the numbering and anyone quoting it still make sense.
Reporting
Every post has a Report button. It goes to a queue that a human reads. You get the same answer whether or not somebody has already reported the same post, so nobody can use the button to find out what is already known.
Posting limits
Fifteen seconds between posts, ninety seconds between new threads, and twelve new threads a day. They exist to make flooding tedious, not to slow down a conversation.