commit https://github.com/vim/vim/commit/d5824ce1b5491df7d2eb0b66189d366fa67b4585 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 4 20:35:01 2016 +0200 patch 7.4.2326 Problem: Illegal memory access when Visual selection starts in invalid position. (Dominique Pelle) Solution: Correct position when needed.

/* arabic.c */
int arabic_shape(int c, int *ccp, int *c1p, int prev_c, int prev_c1, int next_c);
/* vim: set ft=c : */