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* diff: rename class to fix AIXRuss Cox2020-05-181-0/+3
| | | | math.h defines a function named class on AIX.
* Trivial changes: whitespace and modes.Dan Cross2020-01-101-9/+9
| | | | | | | | | Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
* Use gcc -ansi -pedantic in 9c. Fix many non-C89-isms.rsc2006-04-011-1/+1
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* add -c optionrsc2005-01-261-0/+1
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* the one true diff.rsc2003-11-231-0/+419
at least it can handle "diff file1 file2 dir".