rules active) or not at the beginning of a line (zero argument,
'^' rules inactive).
- - Related to this change, the mechanism for determing when a scan is
+ - Related to this change, the mechanism for determining when a scan is
starting at the beginning of a line has changed. It used to be
that '^' was active iff the character prior to that at which the
scan started was a newline. The mechanism now is that '^' is