syntax-propertize-function is a variable defined in `syntax.el'.
Its value is #[(start end)
  "^Hb\210`     W\205K^@\303\304        \305#\205K^@\306\224\203*^@\307\306\224\306\225\310\311$\210\312\313\224\306\224f\"\210\202^C^@\314\224\203^C^@\315\316!\211^ZA\317\n\233\241\210\320\n!\210)\321\313\224\306\224\306\225#\210\202^C^@\207"
  [start end md re-search-forward "\\\\verb\\**\\([^a-z@*]\\)\\|\\\\\\(?:end\\|begin\\) *\\({[^\n{}]*}\\)" t 1 put-text-property syntax-table
         (7)
         tex-font-lock-verb 0 2 match-data ints 4 set-match-data tex-env-mark]
  6]

Local in buffer Content.tex; global value is nil