Respond to --help with helpful message.
tree5a4cec4956a7beddaf33b28b10b0d3785c0f6985
-rw-r--r-- 174 .gitignore
-rw-r--r-- 35147 COPYING
-rw-r--r-- 1386 Makefile.am
-rw-r--r-- 9029 VERSION
drwxr-xr-x - config
-rw-r--r-- 2935 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - examples
drwxr-xr-x - m4
drwxr-xr-x - resources
drwxr-xr-x - source
drwxr-xr-x - test
drwxr-xr-x - tools
-rwxr-xr-x 1560 version_test.sh