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| -rw-r--r-- | doc/src/sgml/textsearch.sgml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml index 1550be56950..a7767049c8c 100644 --- a/doc/src/sgml/textsearch.sgml +++ b/doc/src/sgml/textsearch.sgml @@ -1287,7 +1287,10 @@ ts_headline(<optional> <replaceable class="parameter">config</replaceable> <type <para> <function>ts_headline</function> accepts a document along with a query, and returns an excerpt from - the document in which terms from the query are highlighted. The + the document in which terms from the query are highlighted. + Specifically, the function will use the query to select relevant + text fragments, and then highlight all words that appear in the query, + even if those word positions do not match the query's restrictions. The configuration to be used to parse the document can be specified by <replaceable>config</replaceable>; if <replaceable>config</replaceable> is omitted, the |