From: Guillaume Munch <gm@lyx.org>
Date: Sat, 3 Dec 2016 22:35:15 +0000 (+0100)
Subject: GuiSymbols: fix char->block lookup
X-Git-Tag: 2.3.0alpha1~669
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=a19be0314b3ed7be39088a6ae571fed1785f516b;p=lyx.git

GuiSymbols: fix char->block lookup
---

diff --git a/src/frontends/qt4/GuiSymbols.cpp b/src/frontends/qt4/GuiSymbols.cpp
index cdfedee4e7..4b314e8379 100644
--- a/src/frontends/qt4/GuiSymbols.cpp
+++ b/src/frontends/qt4/GuiSymbols.cpp
@@ -177,10 +177,10 @@ QString getBlock(char_type c)
 	int i = 0;
 	while (i < no_blocks && c > unicode_blocks[i].end)
 		++i;
-	if (i == no_blocks)
+	if (i == no_blocks || c < unicode_blocks[i].start)
 		return QString();
+	// cache the last block for guessing next time
 	lastBlock = i;
-	//LYXERR0("fail: " << int(c) << ' ' << lastBlock);
 	return unicode_blocks[lastBlock].qname;
 }