commit https://github.com/vim/vim/commit/8e08125d3a9afd0b16cd84454ae9ddad0abaaab0 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 21 23:13:32 2016 +0100 patch 7.4.1634 Problem: Vertical movement after CTRL-A ends up in the wrong column. (Urtica Dioica) Solution: Set curswant when appropriate. (Hirohito Higashi)

/* 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);