diff -up less-466/less.nro.filters-man less-466/less.nro

--- less-466/less.nro.filters-man	2014-09-18 14:32:32.124111631 +0200

+++ less-466/less.nro	2014-09-18 14:32:39.548177152 +0200

@@ -1234,6 +1234,18 @@ Similarly, if the first two characters o

 the input pipe is used on standard input as well as other files.

 Again, in this case the dash is not considered to be part of

 the input pipe command.

+.PP

+There are used following files to set up default preprocessor:

+.br

+	/etc/profile.d/less.sh

+.br

+	/etc/profile.d/less.csh

+.br

+These files set up /usr/bin/lesspipe.sh as a default filter. An user defined

+filter can be specified in ~/.lessfilter. This file should have an execute bit

+set and accept only one parameter, which represents a filename. If

+the user defined filter process the file, zero should be returned. Otherwise

+~/.lessfilter tries to handle the file.

 .SH "NATIONAL CHARACTER SETS"

 There are three types of characters in the input file: