clarified (in the 5.14 summary) that tests and comparisons all chain,

added a specific \ref to 5.9 in lieu of previous vague "see above".
(same as commit of Sun Nov 2 to the release23-maint branch)

Doc/ref/ref5.tex

@@ -1068,9 +1068,9 @@ precedences\indexii{operator}{precedence} in Python, from lowest
 precedence (least binding) to highest precedence (most binding).
 Operators in the same box have the same precedence.  Unless the syntax
 is explicitly given, operators are binary.  Operators in the same box
-group left to right (except for comparisons, which chain from left to
-right --- see above, and exponentiation, which groups from right to
-left).
+group left to right (except for comparisons, including tests, which all
+have the same precedence and chain from left to right --- see section
+\ref{comparisons} -- and exponentiation, which groups from right to left).
 
 \begin{tableii}{c|l}{textrm}{Operator}{Description}
     \lineii{\keyword{lambda}}			{Lambda expression}