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Thank you very much gmedina, that's what I needed.

Hi,

It would look like

Question 2.3. -- Short title (Closed) %in bold, and that would be the third question in chap 2.
This is the text for the main question.
My name, Sept 1st 2010
Answer 2.3.
This is the answer of the question.
Other name, Sept 12th 2010

And then I'd like the ability to ...

I would like to use an “environment” or some form of command that would achieve the following:
There would be 5 fields:
• Question (could be a paragraph or more text with formulas, tables,…)
• Author (less than 128 characters)
• Title (less than 128 characters)
• Tag (open of closed, so binary ...