doc: Fix operator precedence chart.

Also, improve a few entries.

diff --git a/doc/expressions.texi b/doc/expressions.texi
index aef69ef8f05145adf995d207c159d32ba200c22b..4f7b19d7efb83c963106d31f4d6e72a9292fb30d 100644 (file)
--- a/doc/expressions.texi
+++ b/doc/expressions.texi
@@ -1554,7 +1554,7 @@ subtraction.
 
 @enumerate
 @item
-@code{(  )}
+@code{()}
 @item
 @code{**}
 @item
@@ -1564,7 +1564,11 @@ subtraction.
 @item
 @code{+  -}
 @item
-@code{EQ  GE  GT  LE  LT  NE}
+@code{=  >=  >  <=  <  <>}
 @item
-@code{AND  NOT  OR}
+@code{NOT}
+@item
+@code{AND}
+@item
+@code{OR}
 @end enumerate