makefile-bsdmake-rule-action-regex

makefile-bsdmake-rule-action-regex is a variable defined in `make-mode.el'.
Its value is

"^	[ 	]*\\(?:\\([-+@]+\\)[ 	]*\\)\\(.*\\(?:\\\\\n.*\\)*\\)"

• This variable may be risky if used as a file-local variable.

Documentation:
Regex used to highlight BSD rule action lines in font lock mode.