string fences in Emacs cor

gistfile1.txt

ag --color --color-match 30\;43 --literal --line-number --smart-case --nogroup --column -- \(string-to-syntax\ \"\|\"\) .
lisp/progmodes/ruby-mode.el:1959:34:                                 (string-to-syntax "|")))
lisp/progmodes/ps-mode.el:579:48:                                 'syntax-table (string-to-syntax "|")))
lisp/progmodes/ps-mode.el:586:42:                           'syntax-table (string-to-syntax "|")))))))
lisp/progmodes/ps-mode.el:598:44:                             'syntax-table (string-to-syntax "|"))
lisp/progmodes/python.el:635:45:                              'syntax-table (string-to-syntax "|")))
lisp/progmodes/python.el:639:45:                              'syntax-table (string-to-syntax "|")))
lisp/progmodes/python.el:645:45:                              'syntax-table (string-to-syntax "|"))))))
lisp/progmodes/python.el:1156:25:                        (string-to-syntax "|"))
lisp/progmodes/python.el:3622:34:                          (equal (string-to-syntax "|")
lisp/progmodes/python.el:3650:28:               (and (equal (string-to-syntax "|")
lisp/progmodes/sh-script.el:980:30:(defconst sh-here-doc-syntax (string-to-syntax "|")) ;; generic string
lisp/progmodes/sh-script.el:1954:47:           (equal (syntax-after (1- (point))) (string-to-syntax "|"))
lisp/progmodes/sh-script.el:2184:47:           (equal (syntax-after (1- (point))) (string-to-syntax "|"))
lisp/progmodes/perl-mode.el:304:37:                                    (string-to-syntax "|")
lisp/progmodes/perl-mode.el:436:6:				 (string-to-syntax "|")