From b25e07caf6d88611fded494ab4f19b5b87641e2e Mon Sep 17 00:00:00 2001
From: Don Stewart <dons@cse.unsw.edu.au>
Date: Fri, 9 Mar 2007 04:06:40 +0100
Subject: comments

darcs-hash:20070309030640-9c5c1-a997af4090d9ba5e881d34dd6623e7ab62bec867.gz
---
 StackSet.hs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'StackSet.hs')

diff --git a/StackSet.hs b/StackSet.hs
index 9f8cdb6..c15665d 100644
--- a/StackSet.hs
+++ b/StackSet.hs
@@ -11,7 +11,12 @@
 -----------------------------------------------------------------------------
 --
 -- The 'StackSet' data type encodes a set of stacks. A given stack in the
--- set is always current.
+-- set is always current. Elements may appear only once in the entire
+-- stack set.
+--
+-- A StackSet provides a nice datastructure for multiscreen
+-- windowmanagers, where each screen has a stack of windows, and a window
+-- may be on only 1 screen at any given time.
 --
 
 module StackSet (
-- 
cgit v1.2.3