Remove original tag if value is split, fix test.

Author: lehmann-4178656ch

src/osm/FactHandler.cpp

@@ -295,8 +295,6 @@ void osm2ttl::osm::FactHandler<W>::writeTagList(
     const std::string& s, const osm2ttl::osm::TagList& tags) {
   size_t tagTripleCount = 0;
   for (const auto& tag : tags) {
-    writeTag(s, tag);
-    tagTripleCount++;
     const std::string& key = tag.first;
     std::string value = tag.second;
     // Special handling for ref tag splitting. Maybe generalize this...
@@ -313,6 +311,9 @@ void osm2ttl::osm::FactHandler<W>::writeTagList(
       std::string partialValue = value.substr(start, value.size());
       writeTag(s, osm2ttl::osm::Tag(key, partialValue));
       tagTripleCount++;
+    } else {
+      writeTag(s, tag);
+      tagTripleCount++;
     }
     // Handling for wiki tags
     if (!_config.skipWikiLinks) {

tests/osm/FactHandler.cpp

@@ -1061,6 +1061,7 @@ TEST(OSM_FactHandler, writeTagListRefMultiple) {
   config.output = "";
   config.outputCompress = false;
   config.mergeOutput = osm2ttl::util::OutputMergeMode::NONE;
+  config.semicolonTagKeys.insert("ref");
 
   osm2ttl::util::Output output{config, config.output};
   output.open();