Clarify that PG* variables are used by psql directly.

Closes #2628

git-svn-id: http://svn.osgeo.org/postgis/trunk@16652 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/extras_tigergeocoder.xml b/doc/extras_tigergeocoder.xml
index bfbb87a08ca7a1aed18199edf2810388ce9ceb51..31055a5124c8d3d46e2ec117ab7b96176130be53 100644 (file)
--- a/doc/extras_tigergeocoder.xml
+++ b/doc/extras_tigergeocoder.xml
@@ -781,6 +781,7 @@ TMPDIR="/gisdata/temp/"
 UNZIPTOOL=unzip
 WGETTOOL="/usr/bin/wget"
 export PGBIN=/usr/lib/postgresql/9.4/bin
+-- variables used by psql: https://www.postgresql.org/docs/current/static/libpq-envars.html
 export PGPORT=5432
 export PGHOST=localhost
 export PGUSER=postgres