osutil: more cleanups - eliminate a level of nesting - untab targets of gotos

osutil: eliminate alloca call - make full_path a PATH_MAX + epsilon local buffer - use strncpy and strncat

osutil: cleanups - use tabs - eliminate old-style function pointer calls - eliminate weird scoping - eliminate assignment-in-iff - use !foo rather than foo == NULL

Execution bit detection fixes for VFAT on Linux On Linux VFAT execution mode can be modified, but changes don't persist a filesy stem remount. The current test can be trickled by this. We can help with the det ection of VFAT checking whether new files get created with the execution bits on (as usually these partitions are mounted with the exec option, for convenience) .

churn: simplify code to get terminal width

patch: fix git sendmail handling without proper mail headers

hgk: allow any extdiff command for visual diff

osutil.c: style fix - delete trailing end-of-line spaces

convert: do not output when trying to load svn bindings

convert: split converters into sink/source

Test darcs converter

convert: fix darcs_source.pull() under windows

convert: fix darcs_source._run() under windows

hghave: detect darcs client

hghave: reorder check functions and entries