Adjust note about variables not being set for empty values.
--- a/doc/hgrc.5.txt
+++ b/doc/hgrc.5.txt
@@ -327,10 +327,9 @@ hooks::
Also, hooks like "commit" will be called in all contexts that
generate a commit (eg. tag) and not just the commit command.
- Note2: Environment variables with empty values may not be passed to
- hooks on platforms like Windows. For instance, $HG_PARENT2 will
- not be available under Windows for non-merge changesets while being
- set to an empty value under Unix-like systems.
+ Note2: Environment variables with empty values will not be passed to
+ hooks. For instance, $HG_PARENT2 will not be set for non-merge
+ changesets.
The syntax for Python hooks is as follows: