patch 8.1.0393: not all white space difference options available commit https://github.com/vim/vim/commit/785fc6567f572b8caefbc89ec29bbd8b801464ae Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 15 19:17:38 2018 +0200 patch 8.1.0393: not all white space difference options available Problem: Not all white space difference options available. Solution: Add "iblank", "iwhiteall" and "iwhiteeol" to 'diffopt'.

/* 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);