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* all: remove need for `-fcommon`Dan Cross2025-07-251-0/+6
| | | | | | | | | | Use `extern` where appropriate so that we can remove `-fcommon` on macOS and others. On macOS, `-fcommon` generates a number of linker warnings. I've tested building on macOS, Linux, FreeBSD, NetBSD, OpenBSD and illumos. I am not in a position to test on AIX or other more esoteric platforms, however.
* Trivial changes: whitespace and modes.Dan Cross2020-01-101-4/+4
| | | | | | | | | 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>
* diff: continue after i/o errors when diffing many filesRuss Cox2007-11-051-1/+4
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* update usagersc2005-01-291-1/+1
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* add diff -arsc2005-01-291-7/+8
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* better cleanup of tmp filesrsc2005-01-111-6/+8
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* Today's changes.rsc2004-03-251-0/+2
| | | | More changes.
* the one true diff.rsc2003-11-231-0/+262
at least it can handle "diff file1 file2 dir".