patch 8.2.0424: checking for wrong return value Commit: https://github.com/vim/vim/commit/97acfc781bdb7fa2838dc6e0e7f9952ea61bb2fd Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 22 13:44:28 2020 +0100 patch 8.2.0424: checking for wrong return value Problem: Checking for wrong return value. (Tom) Solution: Invert the check and fix the test.

/* 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);