doc: Remove stray comma from list of psql options

Back in 7.2 the list of options had short options and long options
on the same line separated by comma, but since 7.3 they are listed
separate lines. The comma on -X was left behind so fix by removing
and backpatching all the way.

Reported-by: [email protected]
Discussion: https://postgr.es/m/171267154345.684.7212826057932148541@wrigleys.postgresql.org
Backpatch-through: v12

diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 87b77e21052adec21b6cae53b015d44d18aba81d..b23296e6897e866733b214353afa1dd4b4d89ce2 100644 (file)
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -540,7 +540,7 @@ EOF
     
 
     
-      -X,
+      -X
       --no-psqlrc