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2009-08-22  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Avoid maximal compiler warnings.
	* pdfopen.c: Use strdup'ed literal string (malloc+strcpy) to
	initialize non-constant string.
	* sendx.[ch]: Constify string args of all functions.
	Consistently use wname for window name string param.
	(close_channel): ANSI C function definition.

2009-08-19  Peter Breitenlohner  <peb@mppmu.mpg.de>

	* Makefile.am (AM_CFLAGS), configure.ac: Enable compiler warnings.
	* pdfopen.c (usage), pdfclose.c (usage): Declare as static.

	* sendx.h (new): Declare prototypes for functions in sendx.c.
	* Makefile.am (pdfopen_SOURCES, pdfclose_SOURCES): Add sendx.h.
	* pdfopen.c, pdfclose.c, sendx.c: #include "sendx.h".

	* sendx.c (GetRootWindow): Slightly reformulate to avoid compiler
	warning (strict-aliasing rules).

2009-05-06  Peter Breitenlohner  <peb@mppmu.mpg.de>

	Adapt to TL2009 build system.