push man pages through nobs.

plumb/basic

diff --git a/plumb/basic b/plumb/basic
index c99eeb1..22e4d1f 100644
--- a/plumb/basic
+++ b/plumb/basic
@@ -106,7 +106,7 @@
 # man index entries are synthesized
 type is text
 data matches '([a-zA-Z¡-￿0-9_\-./]+)\(([1-8])\)'
-plumb start rc -c 'man '$2' '$1' >[2=1] | plumb -i -d edit -a ''action=showdata filename=/man/'$1'('$2')'''
+plumb start rc -c 'man '$2' '$1' >[2=1] | nobs | plumb -i -d edit -a ''action=showdata filename=/man/'$1'('$2')'''
 
 # start rule for images without known suffixes
 dst is image