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-rw-r--r--src/corelib/io/qurlidna.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/corelib/io/qurlidna.cpp b/src/corelib/io/qurlidna.cpp
index 5b9ca6ca1b..01497d16ab 100644
--- a/src/corelib/io/qurlidna.cpp
+++ b/src/corelib/io/qurlidna.cpp
@@ -2572,6 +2572,9 @@ QStringList QUrl::idnWhitelist()
Sets the whitelist of Top-Level Domains (TLDs) that are allowed to have
non-ASCII characters in domains to the value of \a list.
+ Note that if you call this function, you need to do so \em before
+ you start any threads that might access idnWhitelist().
+
Qt has comes a default list that contains the Internet top-level domains
that have published support for Internationalized Domain Names (IDNs)
and rules to guarantee that no deception can happen between similarly-looking