Andrew's git / gitweb.git / Documentation/config/web.txt
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Documentation / config / web.txton commit tests: define GIT_TEST_SIDEBAND_ALL (07c3c2a)
   1web.browser::
   2        Specify a web browser that may be used by some commands.
   3        Currently only linkgit:git-instaweb[1] and linkgit:git-help[1]
   4        may use it.