docListMerge     5008 third_party/sqlite/src/ext/fts2/fts2.c   rc = docListMerge(&pWriter->data, pReaders, nReaders);
docListMerge     6062 third_party/sqlite/src/ext/fts2/fts2.c           rc = docListMerge(&merged, readers, 2);
docListMerge     6536 third_party/sqlite/src/ext/fts2/fts2.c           rc = docListMerge(&merged, dlReaders, nReaders);