Topic Topology -------------- So, let's have a look at an example group buffer: Gnus Emacs -- I wuw it! 3: comp.emacs 2: alt.religion.emacs Naughty Emacs 452: alt.sex.emacs 0: comp.talk.emacs.recovery Misc 8: comp.binaries.fractals 13: comp.sources.unix So, here we have one top-level topic (`Gnus'), two topics under that, and one sub-topic under one of the sub-topics. (There is always just one (1) top-level topic). This topology can be expressed as follows: (("Gnus" visible) (("Emacs -- I wuw it!" visible) (("Naughty Emacs" visible))) (("Misc" visible))) This is in fact how the variable `gnus-topic-topology' would look for the display above. That variable is saved in the `.newsrc.eld' file, and shouldn't be messed with manually--unless you really want to. Since this variable is read from the `.newsrc.eld' file, setting it in any other startup files will have no effect. This topology shows what topics are sub-topics of what topics (right), and which topics are visible. Two settings are currently allowed--`visible' and `invisible'.
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