Add docs for a couple of formerly-undocumented geometric conversion functions.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 2917cf1a445f1eca36bdc7283df007f906c6ea59..05d661fc247ea35e17df1768c8c821cf45730df7 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
 
 
@@ -6096,7 +6096,7 @@ SELECT TIMESTAMP 'now';
        
         circle(point, double precision)
         circle
-        point and radius to circle
+        center and radius to circle
         circle(point '(0,0)', 2.0)
        
        
@@ -6117,12 +6117,31 @@ SELECT TIMESTAMP 'now';
         polygon to path
         path(polygon '((0,0),(1,1),(2,0))')
        
+       
+        point(double
+         precision, double precision)
+        point
+        construct point
+        point(23.4, -44.5)
+       
+       
+        point(box)
+        point
+        center of box
+        point(box '((-1,0),(1,0))')
+       
        
         point(circle)
         point
         center of circle
         point(circle '((0,0),2.0)')
        
+       
+        point(lseg)
+        point
+        center of lseg
+        point(lseg '((-1,0),(1,0))')
+       
        
         point(lseg, lseg)
         point