commit 80a20df86a1ceefa3506cc578ba0ba35da979e38
author Bram Moolenaar <Bram@vim.org> Tue May 26 22:14:27 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Tue May 26 22:14:27 2020 +0200
tree ed153f7b2bc1e83a7aec501869dc0791f686321a
parent 388a5d4f20b4b64341d1604aa238cab85827b892

patch 8.2.0830: Motif: can't map "!"

Problem:    Motif: can't map "!". (Ben Jackson)
Solution:   Remove the shift modifier if it's already included in the key.
            (closes #6147)

src/gui_x11.c

diff --git a/src/gui_x11.c b/src/gui_x11.c
index c03b210..1eec793 100644
--- a/src/gui_x11.c
+++ b/src/gui_x11.c
@@ -948,6 +948,11 @@
     {
 	string[0] = key;
 	len = 1;
+
+	// Remove the SHIFT modifier for keys where it's already included,
+	// e.g., '(', '!' and '*'.
+	if (!ASCII_ISALPHA(key) && key > 0x20 && key < 0x7f)
+	    modifiers &= ~MOD_MASK_SHIFT;
     }
 
     if (modifiers != 0)