Add spaces to manual page.

diff --git a/doc/src/sgml/ref/create_operator.sgml b/doc/src/sgml/ref/create_operator.sgml
index d459c70da48de7f01408503d1ae3e7f33941886c..bb963c833c1045f169fb03e9a1e965e5f9a62f03 100644 (file)
--- a/doc/src/sgml/ref/create_operator.sgml
+++ b/doc/src/sgml/ref/create_operator.sgml
@@ -1,5 +1,5 @@
 
 
@@ -248,13 +248,13 @@ CREATE
    Hence, the query optimizer could freely  convert:
 
    
-box '((0,0),(1,1))'  >>> MYBOXES.description
+box '((0,0), (1,1))'  >>> MYBOXES.description
    
 
    to
 
    
-MYBOXES.description <<< box '((0,0),(1,1))'
+MYBOXES.description <<< box '((0,0), (1,1))'
    
   
   
@@ -269,11 +269,11 @@ MYBOXES.description <<< box '((0,0),(1,1))'
    equal, !==.
    The negator link allows the query optimizer to simplify
    
-NOT MYBOXES.description === box '((0,0),(1,1))'
+NOT MYBOXES.description === box '((0,0), (1,1))'
    
    to
    
-MYBOXES.description !== box '((0,0),(1,1))'
+MYBOXES.description !== box '((0,0), (1,1))'
    
   
   
@@ -331,7 +331,7 @@ MYBOXES.description !== box '((0,0),(1,1))'
    The RESTRICT and JOIN options assist the query optimizer in estimating
    result sizes.  If a clause of the form:
    
-MYBOXES.description <<< box '((0,0),(1,1))'
+MYBOXES.description <<< box '((0,0), (1,1))'
    
    is present in the qualification,
    then Postgres may have to
@@ -342,7 +342,7 @@ MYBOXES.description <<< box '((0,0),(1,1))'
    CREATE FUNCTION) which accepts arguments of the correct
    data types and returns a floating point  number.   The
    query  optimizer  simply  calls this function, passing the
-   parameter ((0,0),(1,1)) and multiplies the result by the relation
+   parameter ((0,0), (1,1)) and multiplies the result by the relation
    size to get the expected number of instances.
   
   
@@ -356,11 +356,11 @@ MYBOXES.description <<< box '((0,0),(1,1))'
   
    The difference between the function
    
-my_procedure_1 (MYBOXES.description, box '((0,0),(1,1))')
+my_procedure_1 (MYBOXES.description, box '((0,0), (1,1))')
    
    and the operator
    
-MYBOXES.description === box '((0,0),(1,1))'
+MYBOXES.description === box '((0,0), (1,1))'
    
    is  that  Postgres
    attempts to optimize operators and can