patch 9.0.2042: Test_cq_zero_exmode fails without channel feature

Problem:  Test_cq_zero_exmode fails without channel feature
Solution: Make the test check the channel feature

closes: #13365

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
index 58b8edc..f7e98c7 100644
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1,4 +1,4 @@
-*starting.txt*  For Vim version 9.0.  Last change: 2023 May 30
+*starting.txt*  For Vim version 9.0.  Last change: 2023 Oct 17
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -348,7 +348,7 @@
 		Start logging and write entries to {filename}.
 		This works like calling `ch_logfile({filename}, 'ao')` very
 		early during startup.
-		{only available with the |+eval| feature}
+		{only available with the |+eval| and |+channel| feature}
 
 							*-D*
 -D		Debugging.  Go to debugging mode when executing the first