#960 get rid of obsolete ST_AsPNG protos to make consistent with implementation

git-svn-id: http://svn.osgeo.org/postgis/trunk@7301 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_raster.xml b/doc/reference_raster.xml
index db61fbb6a4ed4de5906c20a9cfa28b5710728bb6..04ddc19ae51e234edefb891c7ddc36f7ea48c445 100644 (file)
--- a/doc/reference_raster.xml
+++ b/doc/reference_raster.xml
@@ -3723,16 +3723,7 @@ FROM dummy_rast WHERE rid=2;
                                  <funcprototype>
                                        <funcdef>bytea <function>ST_AsPNG</function></funcdef>
                                        <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
-                                 </funcprototype>
-                                 <funcprototype>
-                                       <funcdef>bytea <function>ST_AsPNG</function></funcdef>
-                                       <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
-                                       <paramdef><type>text[] </type> <parameter>options</parameter></paramdef>
-                                 </funcprototype>
-                                 <funcprototype>
-                                       <funcdef>bytea <function>ST_AsPNG</function></funcdef>
-                                       <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
-                                       <paramdef><type>integer </type> <parameter>nband</parameter></paramdef>
+                                       <paramdef choice='opt'><type>text[] </type> <parameter>options=NULL</parameter></paramdef>
                                  </funcprototype>
                                  <funcprototype>
                                        <funcdef>bytea <function>ST_AsPNG</function></funcdef>
@@ -3744,12 +3735,7 @@ FROM dummy_rast WHERE rid=2;
                                        <funcdef>bytea <function>ST_AsPNG</function></funcdef>
                                        <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
                                        <paramdef><type>integer </type> <parameter>nband</parameter></paramdef>
-                                       <paramdef><type>text[] </type> <parameter>options</parameter></paramdef>
-                                 </funcprototype>
-                                 <funcprototype>
-                                       <funcdef>bytea <function>ST_AsPNG</function></funcdef>
-                                       <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
-                                       <paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef>
+                                       <paramdef choice='opt'><type>text[] </type> <parameter>options=NULL</parameter></paramdef>
                                  </funcprototype>
                                  <funcprototype>
                                        <funcdef>bytea <function>ST_AsPNG</function></funcdef>
@@ -3761,7 +3747,7 @@ FROM dummy_rast WHERE rid=2;
                                        <funcdef>bytea <function>ST_AsPNG</function></funcdef>
                                        <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
                                        <paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef>
-                                       <paramdef><type>text[] </type> <parameter>options</parameter></paramdef>
+                                       <paramdef choice='opt'><type>text[] </type> <parameter>options=NULL</parameter></paramdef>
                                  </funcprototype>
                                </funcsynopsis>
                        </refsynopsisdiv>