commit https://github.com/vim/vim/commit/e59215c7dcae17b03daf39517560cfaa03314f5a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 14 19:08:45 2016 +0200 patch 7.4.2212 Problem: Mark " is not set when closing a window in another tab. (Guraga) Solution: Check all tabs for the window to be valid. (based on patch by Hirohito Higashi, closes https://github.com/vim/vim/issues/974)

/* if_tcl.c */
void vim_tcl_init(char *arg);
int tcl_enabled(int verbose);
void tcl_end(void);
void ex_tcl(exarg_T *eap);
void ex_tclfile(exarg_T *eap);
void ex_tcldo(exarg_T *eap);
void tcl_buffer_free(buf_T *buf);
void tcl_window_free(win_T *win);
/* vim: set ft=c : */