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git-mergetool.sh mostly uses 8 space tabs and 4 spaces per indent. This change corrects this in a part of the file affect by a later commit in this patch series. diff -w considers this change is to be a null change. Signed-off-by: Charles Bailey <charles@hashpling.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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