L.reading must be history.  it's not referenced anywhere.

unfixed:  the use of "header" as a synonym for the output
of the h command is very confusing.

Notes:
Tue Nov 18 16:02:45 EST 2008 geoff
    subsumed by nupas.


Reference: /n/sources/patch/sorry/nedman
Date: Fri Jun 27 17:42:56 CES 2008
Signed-off-by: quanstro@quanstro.net
Reviewed-by: geoff

--- /sys/man/1/nedmail	Fri Jun 27 17:41:06 2008
+++ /sys/man/1/nedmail	Fri Jun 27 17:41:04 2008
@@ -320,9 +320,6 @@
 .B /mail/box/*/pipeto
 mail filter
 .TP
-.B /mail/box/*/L.reading
-mutual exclusion lock for multiple mbox readers
-.TP
 .B /mail/box/*/L.mbox
 mutual exclusion lock for altering mbox
 .SH SOURCE