patch 8.1.1399: popup windows not adjusted when switching tabs commit https://github.com/vim/vim/commit/ec58384afa0dc1678afd7b8d19b4645ac2f73f42 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 26 14:11:23 2019 +0200 patch 8.1.1399: popup windows not adjusted when switching tabs Problem: Popup windows not adjusted when switching tabs. Solution: Save and restore first_tab_popupwin. Fix closing a tabpage.

/* pty.c */
int setup_slavepty(int fd);
int mch_openpty(char **ttyn);
int mch_isatty(int fd);
/* vim: set ft=c : */