patch 8.1.0740: Tcl test fails commit https://github.com/vim/vim/commit/8309b0559da6e9a581a7816572594c90c2d7f942 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 13 16:46:22 2019 +0100 patch 8.1.0740: Tcl test fails Problem: Tcl test fails. Solution: When the argument is empty don't give an error, instead rely on the error reporting higher up.

/* 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);