2010/07/19 (diffstat 1.53)

	+ add missing "break" statement which left "-c" option falling-through
	  into "-C".

2010/07/16 (diffstat 1.52)

	+ add "-C" option to show the histogram using SGR colors.

	+ add "-s" option to show only the summary line.

	+ add configure check for "xz", using this in preference to "lzcat"
	  (FreeBSD #148604).

	+ also escape literal dashes used as part of the histogram in the
	  manpage.

	+ modify hyphens vs dashes in manpage per
		http://lintian.debian.org/tags/hyphen-used-as-minus-sign.html
	  (patch by Francois Marier).

	+ drop mkdirs.sh, use "mkdir -p"

	+ add configure checks for ctags and lint.

	+ updated configure macros

	+ reformat CHANGES to work with metrics script.

	+ fix strict gcc warnings, e.g., using const.

	+ improve a case where filenames have embedded blanks (patch by Reinier
	  Post).

	+ update config.guess, config.sub