Variable: c-sentence-end-with-esc-eol
c-sentence-end-with-esc-eol is a variable defined in cc-vars.el.gz.
Value
"\\(\\(\\([.?!…‽][]\"'”’)}»›]*\\($\\|[ ]$\\| \\|[ ][ ]\\)\\|[。.?!]+\\)[ \n]*\\)\\|[.?!][]\"')}]* ?\\\\\\($\\)[ \n]*\\)"
Documentation
Value used like sentence-end(var)/sentence-end(fun) used when scanning strings.
It treats escaped EOLs as whitespace.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cc-vars.el.gz
(defvar c-sentence-end-with-esc-eol
(concat "\\(\\(" (c-default-value-sentence-end) "\\)"
;; N.B.: "$" would be illegal when not enclosed like "\\($\\)".
"\\|" "[.?!][]\"')}]* ?\\\\\\($\\)[ \t\n]*"
"\\)")
"Value used like `sentence-end' used when scanning strings.
It treats escaped EOLs as whitespace.")