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I see that you've already done lots of the pages - sorry I didn't get this written last night
No problem, it didn't take too long. In the process I noticed, that the Gluon page has no category. I would have added one, but was not quite sure how: when making a new section in an existing page, should I leave out the unit number tag and let the translation system generate it, or does this only work when marking up a new page?