commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Feb 5 21:04:08 2016 +0100 patch 7.4.1262 Problem: The channel callback is not invoked. Solution: Make a list of pending callbacks.

/* 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 : */