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-rw-r--r--src/gui/text/qtextformat.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/text/qtextformat.cpp b/src/gui/text/qtextformat.cpp
index dca2da5..140cf43 100644
--- a/src/gui/text/qtextformat.cpp
+++ b/src/gui/text/qtextformat.cpp
@@ -3085,7 +3085,8 @@ int QTextFormatCollection::indexForFormat(const QTextFormat &format)
f.d = new QTextFormatPrivate;
f.d->resolveFont(defaultFnt);
- hashes.insert(hash, idx);
+ if (!hashes.contains(hash, idx))
+ hashes.insert(hash, idx);
} QT_CATCH(...) {
formats.pop_back();