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-rw-r--r--src/Document.cxx4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Document.cxx b/src/Document.cxx
index a25e3070d..3061bbc37 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -266,7 +266,9 @@ int Document::LenChar(int pos) {
if (ch < 0x80)
return 1;
int len = 2;
- if (ch >= (0x80 + 0x40 + 0x20))
+ if (ch >= (0x80 + 0x40 + 0x20 + 0x10))
+ len = 4;
+ else if (ch >= (0x80 + 0x40 + 0x20))
len = 3;
int lengthDoc = Length();
if ((pos + len) > lengthDoc)