LaTeX.org

I can't think of very many good reasons not to do this. The only things that come to mind are things such as:

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There are blogs and bulletin boards, etc., that allow you to insert little snippets of LaTeX code, but they won't usually allow you to use your own commands, so it's convenient not ...

I'm not certain whether to put this in the math or general section, but I've chosen the general section because the question is, I think, a general one even if the application in question at the moment is mathematical.

When I write mathematical documents, I find I would really like to separate the ...

I have the same question as the parent poster. It would be very useful to have a program that would go through latex source expanding new commands. Does anyone know of a way to do this? It seems this is not something that can be accomplished with a simple sed command, but I'm guessing there must be ...