X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FTrans.cpp;h=e2ba1abb5800c1a8ddb8e71f431f400a716dc964;hb=9926927fb1a38f15ec4fa1334075720925a3295e;hp=9249e8e8d4e00acb814e07c4b038ae309f672f06;hpb=8a047a411235fcf5ba48f075e0a23a7cf1e3e8bb;p=lyx.git

diff --git a/src/Trans.cpp b/src/Trans.cpp
index 9249e8e8d4..e2ba1abb58 100644
--- a/src/Trans.cpp
+++ b/src/Trans.cpp
@@ -280,10 +280,14 @@ int Trans::load(Lexer & lex)
 				    && it->second[1] == accent_2)
 					break;
 			}
+
+			// could not find accent2 on a key -- this should not happen.
+			if (it == end)
+				return -1;
+
 			docstring allowed;
 			if (!lex.next())
 				return -1;
-
 			allowed = lex.getDocString();
 			LYXERR(Debug::KBMAP, "allowed: " << to_utf8(allowed));