chicken5: Add more debugging notes about test target

[Leonardo Taccari <leot%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Leonardo Taccari <leot%NetBSD.org@localhost>
Pushed By:	leot
Date:		Sun Oct 14 12:34:50 2018 +0200
Changeset:	749be6040a33808d12a0112dbc70e5cf64400031

Modified Files:
	chicken5/TODO

Log Message:
chicken5: Add more debugging notes about test target

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=749be6040a33808d12a0112dbc70e5cf64400031

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 chicken5/TODO | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diffs:
diff --git a/chicken5/TODO b/chicken5/TODO
index ae220ae6d3..5280a6a66d 100644
--- a/chicken5/TODO
+++ b/chicken5/TODO
@@ -11,5 +11,6 @@ Tests fail because a invalid variable identifier is tried to be exported:
  |   0 (0.00%) tests failed
  | export: .MAKE.LEVEL.ENV: bad variable name
 
-I think we can safely not pass it but it should be investigated
-who is the responsible for injecting such environment variable.
+.MAKE.LEVEL.ENV is used internally by make(1) (not gmake!) and due the `.'
+it is not a valid identifier for shell variable, hence the corresponding
+export fails.