K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2015-07-27T19:21:23.441520Z
K 7
svn:log
V 237
Rewrite scan procedure with a FSM.  This improves code readability by
making clear transits between different states, and avoids bug with
handling repeated $'s.

Reviewed by:	bapt
Differential Revision: https://reviews.freebsd.org/D3221

END