From c1ccf74a046ba8fa731e99fcf507c26fe8e8cc83 Mon Sep 17 00:00:00 2001
From: Topi Reinio <topi.reinio@qt.io>
Date: Fri, 8 Jan 2021 14:43:02 +0100
Subject: qdoc: Ignore empty example meta tags
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Incorrectly formatted parameter for the \meta tag command may result
in empty tags, and cause an assert later on.

Change-Id: I504e038f119833615976ba44549934ccc70aea31
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
(cherry picked from commit c8500ae622f47dee84cb1ee2dbf167921de3e5c1)
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
---
 src/qdoc/htmlgenerator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qdoc/htmlgenerator.cpp b/src/qdoc/htmlgenerator.cpp
index 4fbc04c92..e91827d3c 100644
--- a/src/qdoc/htmlgenerator.cpp
+++ b/src/qdoc/htmlgenerator.cpp
@@ -3985,7 +3985,7 @@ void HtmlGenerator::generateManifestFile(const QString &manifest, const QString
         // Include tags added via \meta {tag} {tag1[,tag2,...]}
         // within \example topic
         for (const auto &tag : en->doc().metaTagMap().values("tag")) {
-            const auto &tagList = tag.toLower().split(QLatin1Char(','));
+            const auto &tagList = tag.toLower().split(QLatin1Char(','), Qt::SkipEmptyParts);
             tags += QSet<QString>(tagList.cbegin(), tagList.cend());
         }
 
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