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+To: vim_dev@googlegroups.com
+Subject: Patch 8.1.0537
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 8.1.0537
+Problem: ui_breakcheck() may be called recursively, which doesn't work.
+Solution: When called recursively, just return. (James McCoy, closes #3617)
+Files: src/ui.c
+
+
+*** ../vim-8.1.0536/src/ui.c 2018-09-30 21:43:17.207693209 +0200
+--- src/ui.c 2018-11-20 02:35:02.966727048 +0100
+***************
+*** 403,411 ****
+ void
+ ui_breakcheck_force(int force)
+ {
+! int save_updating_screen = updating_screen;
+
+! /* We do not want gui_resize_shell() to redraw the screen here. */
+ ++updating_screen;
+
+ #ifdef FEAT_GUI
+--- 403,419 ----
+ void
+ ui_breakcheck_force(int force)
+ {
+! static int recursive = FALSE;
+! int save_updating_screen = updating_screen;
+
+! // We could be called recursively if stderr is redirected, calling
+! // fill_input_buf() calls settmode() when stdin isn't a tty. settmode()
+! // calls vgetorpeek() which calls ui_breakcheck() again.
+! if (recursive)
+! return;
+! recursive = TRUE;
+!
+! // We do not want gui_resize_shell() to redraw the screen here.
+ ++updating_screen;
+
+ #ifdef FEAT_GUI
+***************
+*** 419,424 ****
+--- 427,434 ----
+ updating_screen = TRUE;
+ else
+ reset_updating_screen(FALSE);
++
++ recursive = FALSE;
+ }
+
+ /*****************************************************************************
+*** ../vim-8.1.0536/src/version.c 2018-11-18 12:25:04.219533634 +0100
+--- src/version.c 2018-11-20 02:30:47.832599259 +0100
+***************
+*** 794,795 ****
+--- 794,797 ----
+ { /* Add new patch number below this line */
++ /**/
++ 537,
+ /**/
+
+--
+Why isn't there mouse-flavored cat food?
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///