X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Fqstring_helpers.h;h=9c28092811ed9c980ff04f89c18ec0531a5a2efa;hb=351363c599db664d612fbe1b426403f91758de05;hp=d5f2921af7a8ac617be2739664e8de71e8c06bb8;hpb=1e4f4fcd914932ea3ecc223eece2b4bb4bb469ff;p=lyx.git

diff --git a/src/support/qstring_helpers.h b/src/support/qstring_helpers.h
index d5f2921af7..9c28092811 100644
--- a/src/support/qstring_helpers.h
+++ b/src/support/qstring_helpers.h
@@ -18,6 +18,10 @@ class QString;
 
 namespace lyx {
 
+class LyXErr;
+
+LyXErr & operator<<(LyXErr &, QString const &);
+
 /**
  * toqstr - convert a UTF8 encoded char * into a QString
  *