commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 6 20:22:25 2016 +0100 patch 7.4.1502 Problem: Writing last-but-one line of buffer to a channel isn't implemented yet. Solution: Implement it. Fix leaving a swap file behind.

/* 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);