samtools.1 | 4 2 + 2 - 0 !
1 file changed, 2 insertions(+), 2 deletions(-)

 spelling fix 

configure.ac | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 do not use make to extract version
 Without a valid config.mk, trying to call m4_esyscmd_s() to run
 make results in weird error messages. This patch avoids having
 to run make just to extract this value.

misc/maq2sam.c | 32 31 + 1 - 0 !
1 file changed, 31 insertions(+), 1 deletion(-)

 fix mayhem issues caused by unlimited reads of gz input

test/test.pl | 5 2 + 3 - 0 !
1 file changed, 2 insertions(+), 3 deletions(-)

 skip usage tests when pseudo-terminal can't be opened
 Put `new IO::Pty` inside the eval too, so that we just skip these
 tests in the unlikely event this fails, rather than aborting.