Makefile | 10 5 + 5 - 0 !
1 file changed, 5 insertions(+), 5 deletions(-)

 avoid makeflags in makefile

Doxyfile | 8 8 + 0 - 0 !
1 file changed, 8 insertions(+)

 makes the generated documentation reproducible

test/test.sh | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 use imagemagick's compare for the testsuite, and compare with fuzz
 As changing colorspace might introduce rounding errors, a binary comparision
 will lead to false failures in the test suite. This patch ceased to use cmp
 but uses compare with a very low fuzz of 0.5% to see if the image is same, it
 is used for all tests with convert_colorspace.
 See also http://www.libpng.org/pub/png/spec/1.2/PNG-Encoders.html for
 rationale.