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In fde97d8a (Update documentation to remove incorrect GIT_DIFF_OPTS example., 2006-11-27), the description of the 'GIT_EXTERNAL_DIFF' variable was moved from 'diff-format.txt' to 'git.txt', and the documentation was updated to remove a 'diff(1)' invocation since Git did not use an external diff program anymore by default. However, the description of 'GIT_EXTERNAL_DIFF' still mentions "instead of the diff invocation described above", which is confusing. Correct that outdated sentence. Also, link to git(1) in 'diff-generate-patch.txt' when GIT_DIFF_OPTS and GIT_EXTERNAL_DIFF are mentioned, so that users can easily know what these variables are about. Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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