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You're right, the brackets should be enough to differentiate between a word and a function name. Using an existing library is always a good idea, but I wouldn't know which library.
@kiamlaluno you're welcome, glad I could help. From my perspective I didn't even do that much - I didn't even know that the +100 bonus is only awarded if you have at least 200 rep on one of the SE sites...
@Jeff: I'm not sure if Berdir meant this as a proposal how to answer questions. Didn't he just mean to illustrate that D6 solutions often differ from D7 solutions? Anyway, while covering all versions in a single answer would be great for Google results and documentation purposes, I think it would really harm the number of answers. When I see a question about D6 and I know the solution, I can write an answer in no time. When it's not tagged with a version and I know I'm supposed to cover all versions in my answer, I will probably not write an answer at all.
To me, the second point raised here is the best reason not to use 'version-x' tags. Using a tag means that all questions tagged with it, are related. However Views 3 and Admin Menu 3 are not related in any way so it doesn't make sense to make them share the 'version-3' tag.
