commit https://github.com/vim/vim/commit/20b4f463f4ab50fa9bcc9838aa94101fa5698125 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 5 17:25:39 2016 +0100 patch 7.4.1491 Problem: Visual-block shift breaks multi-byte characters. Solution: Compute column differently. (Yasuhiro Matsumoto) Add a 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);