Use libpq only once to avoid file naming conflicts in the html output.

diff --git a/doc/src/sgml/postgres.sgml b/doc/src/sgml/postgres.sgml
index 65410985877ef2b9314d333f0deb3302e04dded4..4851304a7f4eb565ebe05286b79087b0f8470b81 100644 (file)
--- a/doc/src/sgml/postgres.sgml
+++ b/doc/src/sgml/postgres.sgml
@@ -211,7 +211,7 @@ Information for extending Postgres.
 &dfunc;
 &trigger;
 &spi;
-&libpq;
+