patch 8.2.4305: tex filetype detection fails Commit: https://github.com/vim/vim/commit/e5b7897585eccec84431d8b23df5cde2e283828c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 5 19:50:34 2022 +0000 patch 8.2.4305: tex filetype detection fails Problem: Tex filetype detection fails. Solution: Check value to be positive. (closes https://github.com/vim/vim/issues/9704)

/* auto/if_perl.c */
int perl_enabled(int verbose);
void perl_end(void);
void msg_split(char_u *s, int attr);
void perl_win_free(win_T *wp);
void perl_buf_free(buf_T *bp);
void ex_perl(exarg_T *eap);
void do_perleval(char_u *str, typval_T *rettv);
void ex_perldo(exarg_T *eap);