rx-syntax

rx-syntax is a variable defined in `rx.el'.
Its value is shown below.

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

Documentation:
Alist mapping Rx syntax symbols to syntax characters.
Each entry has the form (SYMBOL . CHAR), where SYMBOL is a valid
symbol in `(syntax SYMBOL)', and CHAR is the syntax character
corresponding to SYMBOL, as it would be used with \s or \S in
regular expressions.

Value:

((whitespace . 45)
 (punctuation . 46)
 (word . 119)
 (symbol . 95)
 (open-parenthesis . 40)
 (close-parenthesis . 41)
 (expression-prefix . 39)
 (string-quote . 34)
 (paired-delimiter . 36)
 (escape . 92)
 (character-quote . 47)
 (comment-start . 60)
 (comment-end . 62)
 (string-delimiter . 124)
 (comment-delimiter . 33))