Alignment rule:
            Title: perl-assignment
            Required attributes:
            Regexp:
            (Regular expression to match)
            Choice: Value Menu Regexp: [^=!^&*-+<>/| 	
]\(\s-*\)=[~>]?\(\s-*\)\([^>= 	
]\|$\)
            Optional attributes:
            INS DEL Choice: Value Menu Paren group:
                        (Parenthesis group to use)
                        Choice: Value Menu Repeat:
                        INS DEL Integer: 1
                        INS DEL Integer: 2
                        INS
            INS DEL Choice: Value Menu Modes:
                        (Modes where this rule applies)
                        Lisp expression: align-perl-modes
            INS DEL Choice: Value Menu To Tab Stop:
                        (Should rule align to tab stops)
                        Boolean: Toggle  off (nil)
            INS