diffstat: made test case work with POSIX sh and printf
* arithmetic expression ((...)), without $, is bashism.
* printf '\xXX' seems non-standard. '\0' is okay.
http://www.opengroup.org/onlinepubs/009695399/utilities/printf.html
tested with bash 4.0 and dash 0.5.5.1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
applying bad.patch
R link
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