Improved wording, from Albert REINER .

diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index f8eb6cfddde47e2446baeb4aba4a8bc226a5949f..0aa9ca47358802d8f77def343717c428b6bd6bbf 100644 (file)
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1,5 +1,5 @@
 
 
@@ -1502,11 +1502,14 @@ Access permissions for database "test"
       -v, --variable, --set assignment
       
       
-      Performs a variable assignment, like the \set internal command.
-      Note that you must separate name and value, if any, by an equal sign on the command
-      line. To unset a variable, leave off the equal sign. These assignments are done
-      during a very early state of start-up, so variables reserved for internal purposes
-      might get overwritten later.
+      Performs a variable assignment, like the \set
+      internal command.  Note that you must separate name and value,
+      if any, by an equal sign on the command line. To unset a
+      variable, leave off the equal sign.  To just set a variable
+      without a value, use the equal sign but leave off the value.
+      These assignments are done during a very early stage of
+      start-up, so variables reserved for internal purposes might get
+      overwritten later.