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	tbackporting my intro-comment of old dwm.h - dwm - [fork] customized build of d…
	git clone git://src.adamsgaard.dk/dwm
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	---
	commit e041ff70b0e4438e741405d994e13f91435ed321
	parent 2d7bb8d7c974c1ae5430fa1561c850f0ea4623d3
	Author: Anselm R. Garbe <[email protected]>
	Date: Sat, 15 Sep 2007 22:33:46 +0200

	backporting my intro-comment of old dwm.h
	Diffstat:
	M dwm.c \| 31 +++++++++++++++++++++++++++++…

	1 file changed, 30 insertions(+), 1 deletion(-)
	---
	diff --git a/dwm.c b/dwm.c
	t@@ -1,4 +1,33 @@
	-/* See LICENSE file for copyright and license details. */
	+/* See LICENSE file for copyright and license details.
	+ *
	+ * dynamic window manager is designed like any other X client as well. It is
	+ * driven through handling X events. In contrast to other X clients, a window
	+ * manager selects for SubstructureRedirectMask on the root window, to receive
	+ * events about window (dis-)appearance. Only one X connection at a time is
	+ * allowed to select for this event mask.
	+ *
	+ * Calls to fetch an X event from the event queue are blocking. Due reading
	+ * status text from standard input, a select()-driven main loop has been
	+ * implemented which selects for reads on the X connection and STDIN_FILENO to
	+ * handle all data smoothly. The event handlers of dwm are organized in an
	+ * array which is accessed whenever a new event has been fetched. This allows
	+ * event dispatching in O(1) time.
	+ *
	+ * Each child of the root window is called a client, except windows which have
	+ * set the override_redirect flag. Clients are organized in a global
	+ * doubly-linked client list, the focus history is remembered through a global
	+ * stack list. Each client contains an array of Bools of the same size as the
	+ * global tags array to indicate the tags of a client. For each client dwm
	+ * creates a small title window, which is resized whenever the (_NET_)WM_NAME
	+ * properties are updated or the client is moved/resized.
	+ *
	+ * Keys and tagging rules are organized as arrays and defined in the config.h
	+ * file. These arrays are kept static in event.o and tag.o respectively,
	+ * because no other part of dwm needs access to them. The current layout is
	+ * represented by the lt pointer.
	+ *
	+ * To understand everything else, start reading main().
	+ */
	#include <errno.h>
	#include <locale.h>
	#include <regex.h>