* New and improved patch for Windows implementation of play-sound-internal
@ 2002-10-29 5:27 Ben Key
2002-10-30 17:16 ` Richard Stallman
0 siblings, 1 reply; 2+ messages in thread
From: Ben Key @ 2002-10-29 5:27 UTC (permalink / raw)
Cc: rms
[-- Attachment #1: Type: text/plain, Size: 1381 bytes --]
Attached to this Email message is an updated version of my patch for GNU
Emacs to provide a partial Windows compatible implementation of
play-sound-internal. This patch contains two changes from my previous
version:
1) I fixed a warning dealing with incompatible pointer types that occurred
when compiling with MinGW 2.0.
2) I fixed a bug that caused play-sound-internal to fail unless you
specified the full path and file name of the sound file. In other words,
you could not do the following
M-x play-sound-internal RET ~/SOUNDS/start.wav RET
Any attempt to call play-sound-file (and thus play-sound-internal) without
specifying the full path and file name would lead to the error message "The
open mciSendString command failed to open the specified sound file" being
displayed. Now play-sound-internal attempts to obtain the full path and
file name if only a partial file name was specified using the function
expand-file-name (or Fexpand_file_name when called from C source code).
Thus far I have tested this patch on Windows XP using MSVC 6.0 and MinGW
2.0. Tomorrow I will test this patch on GNU/Linux to make certain I did not
inadvertently cause a compilation error under that platform (I cannot do it
tonight since I am once again reinstalling GNU/Linux on my other computer.
Hopefully this time I know what I am doing and will not make any more stupid
mistakes!).
[-- Attachment #2: emacs-21.3.50-w32-play-sound.diff --]
[-- Type: application/octet-stream, Size: 17854 bytes --]
--- _21.3/nt/nmake.defs 2002-01-04 09:04:53.000000000 -0500
+++ 21.3/nt/nmake.defs 2002-10-28 21:01:48.000000000 -0500
@@ -123,6 +123,7 @@
SHELL32 = shell32.lib
USER32 = user32.lib
WSOCK32 = wsock32.lib
+WINMM = winmm.lib
!ifdef NOOPT
DEBUG_CFLAGS = -DEMACSDEBUG
--- _21.3/nt/gmake.defs 2002-01-04 09:04:26.000000000 -0500
+++ 21.3/nt/gmake.defs 2002-10-28 21:01:48.000000000 -0500
@@ -166,6 +166,7 @@
SHELL32 = -lshell32
USER32 = -luser32
WSOCK32 = -lwsock32
+WINMM = -lwinmm
ifdef NOOPT
DEBUG_CFLAGS = -DEMACSDEBUG
--- _21.3/src/makefile.w32-in 2002-09-04 02:20:50.000000000 -0400
+++ 21.3/src/makefile.w32-in 2002-10-28 21:01:48.000000000 -0500
@@ -94,6 +94,7 @@
$(BLD)/regex.$(O) \
$(BLD)/scroll.$(O) \
$(BLD)/search.$(O) \
+ $(BLD)/sound.$(O) \
$(BLD)/syntax.$(O) \
$(BLD)/sysdep.$(O) \
$(BLD)/term.$(O) \
@@ -133,6 +134,7 @@
$(TLIB1) \
$(TLIBW32) \
$(TLASTLIB) \
+ $(WINMM) \
$(ADVAPI32) \
$(GDI32) \
$(COMDLG32) \
@@ -1094,6 +1096,13 @@
$(SRC)/w32bdf.h \
$(SRC)/w32gui.h
+$(BLD)/sound.$(O) : \
+ $(SRC)/sound.c \
+ $(SRC)/lisp.h \
+ $(SRC)/dispextern.h \
+ $(SRC)/atimer.h \
+ $(SRC)/syssignal.h
+
$(BLD)/strftime.$(O) : \
$(SRC)/strftime.c \
$(EMACS_ROOT)/src/s/ms-w32.h \
--- _21.3/src/s/ms-w32.h 2002-05-03 16:42:33.000000000 -0400
+++ 21.3/src/s/ms-w32.h 2002-10-28 21:01:48.000000000 -0500
@@ -217,6 +217,7 @@
#define MAXPATHLEN _MAX_PATH
#endif
+#define HAVE_SOUND 1
#define LISP_FLOAT_TYPE 1
#undef HAVE_SYS_SELECT_H
--- _21.3/src/sound.c 2002-07-19 10:27:20.000000000 -0400
+++ 21.3/src/sound.c 2002-10-28 21:53:08.000000000 -0500
@@ -21,10 +21,26 @@
/* Written by Gerd Moellmann <gerd@gnu.org>. Tested with Luigi's
driver on FreeBSD 2.2.7 with a SoundBlaster 16. */
+/*
+ Modified by Ben Key <Bkey1@tampabay.rr.com> to add a partial
+ implementation of the play-sound specification for Windows.
+
+ Notes:
+ In the Windows implementation of play-sound-internal only the
+ :file and :volume keywords are supported. The :device keyword,
+ if present, is ignored. The :data keyword, if present, will
+ cause an error to be generated.
+
+ The Windows implementation of play-sound is implemented via the
+ Win32 API functions mciSendString, waveOutGetVolume, and
+ waveOutGetVolume which are exported by Winmm.dll.
+*/
+
#include <config.h>
#if defined HAVE_SOUND
+/* BEGIN: Common Includes */
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
@@ -34,6 +50,11 @@
#include "atimer.h"
#include <signal.h>
#include "syssignal.h"
+/* END: Common Includes */
+
+
+/* BEGIN: Non Windows Includes */
+#ifndef WINDOWSNT
#ifndef MSDOS
#include <sys/ioctl.h>
@@ -51,12 +72,55 @@
#ifdef HAVE_SOUNDCARD_H
#include <soundcard.h>
#endif
+/* END: Non Windows Includes */
+
+#else /* WINDOWSNT */
+
+/* BEGIN: Windows Specific Includes */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <windows.h>
+#include <mmsystem.h>
+/* END: Windows Specific Includes */
+
+#endif /* WINDOWSNT */
+
+/* BEGIN: Common Definitions */
+#define abs(X) ((X) < 0 ? -(X) : (X))
+
+/* Symbols. */
+
+extern Lisp_Object QCfile, QCdata;
+Lisp_Object QCvolume, QCdevice;
+Lisp_Object Qsound;
+Lisp_Object Qplay_sound_functions;
+
+/* Indices of attributes in a sound attributes vector. */
+
+enum sound_attr
+{
+ SOUND_FILE,
+ SOUND_DATA,
+ SOUND_DEVICE,
+ SOUND_VOLUME,
+ SOUND_ATTR_SENTINEL
+};
+
+static void sound_perror P_ ((char *));
+static void sound_warning P_ ((char *));
+static int parse_sound P_ ((Lisp_Object, Lisp_Object *));
+
+/* END: Common Definitions */
+
+/* BEGIN: Non Windows Definitions */
+#ifndef WINDOWSNT
#ifndef DEFAULT_SOUND_DEVICE
#define DEFAULT_SOUND_DEVICE "/dev/dsp"
#endif
-#define abs(X) ((X) < 0 ? -(X) : (X))
/* Structure forward declarations. */
@@ -203,24 +267,6 @@
void (* play) P_ ((struct sound *s, struct sound_device *sd));
};
-/* Indices of attributes in a sound attributes vector. */
-
-enum sound_attr
-{
- SOUND_FILE,
- SOUND_DATA,
- SOUND_DEVICE,
- SOUND_VOLUME,
- SOUND_ATTR_SENTINEL
-};
-
-/* Symbols. */
-
-extern Lisp_Object QCfile, QCdata;
-Lisp_Object QCvolume, QCdevice;
-Lisp_Object Qsound;
-Lisp_Object Qplay_sound_functions;
-
/* These are set during `play-sound-internal' so that sound_cleanup has
access to them. */
@@ -235,9 +281,6 @@
static void vox_choose_format P_ ((struct sound_device *, struct sound *));
static void vox_init P_ ((struct sound_device *));
static void vox_write P_ ((struct sound_device *, const char *, int));
-static void sound_perror P_ ((char *));
-static void sound_warning P_ ((char *));
-static int parse_sound P_ ((Lisp_Object, Lisp_Object *));
static void find_sound_type P_ ((struct sound *));
static u_int32_t le2hl P_ ((u_int32_t));
static u_int16_t le2hs P_ ((u_int16_t));
@@ -251,12 +294,22 @@
static u_int16_t be2hs P_ ((u_int16_t));
#endif
+/* END: Non Windows Definitions */
+#else /* WINDOWSNT */
+
+/* BEGIN: Windows Specific Definitions */
+static int do_play_sound P_ ((const char *,unsigned long));
+/*
+ END: Windows Specific Definitions */
+#endif /* WINDOWSNT */
\f
/***********************************************************************
General
***********************************************************************/
+/* BEGIN: Common functions */
+
/* Like perror, but signals an error. */
static void
@@ -327,10 +380,21 @@
attrs[SOUND_DEVICE] = Fplist_get (sound, QCdevice);
attrs[SOUND_VOLUME] = Fplist_get (sound, QCvolume);
+#ifndef WINDOWSNT
/* File name or data must be specified. */
if (!STRINGP (attrs[SOUND_FILE])
&& !STRINGP (attrs[SOUND_DATA]))
return 0;
+#else /* WINDOWSNT */
+ /*
+ Data is not supported in Windows. Therefore a
+ File name MUST be supplied.
+ */
+ if (!STRINGP(attrs[SOUND_FILE]))
+ {
+ return 0;
+ }
+#endif /* WINDOWSNT */
/* Volume must be in the range 0..100 or unspecified. */
if (!NILP (attrs[SOUND_VOLUME]))
@@ -351,14 +415,23 @@
return 0;
}
+#ifndef WINDOWSNT
/* Device must be a string or unspecified. */
if (!NILP (attrs[SOUND_DEVICE])
&& !STRINGP (attrs[SOUND_DEVICE]))
return 0;
-
+#endif /* WINDOWSNT */
+ /*
+ Since device is ignored in Windows, it does not matter
+ what it is.
+ */
return 1;
}
+/* END: Common functions */
+
+/* BEGIN: Non Windows functions */
+#ifndef WINDOWSNT
/* Find out the type of the sound file whose file descriptor is FD.
S is the sound file structure to fill in. */
@@ -389,105 +462,6 @@
return Qnil;
}
-
-DEFUN ("play-sound-internal", Fplay_sound_internal, Splay_sound_internal, 1, 1, 0,
- doc: /* Play sound SOUND.
-
-Internal use only, use `play-sound' instead. */)
- (sound)
- Lisp_Object sound;
-{
- Lisp_Object attrs[SOUND_ATTR_SENTINEL];
- Lisp_Object file;
- struct gcpro gcpro1, gcpro2;
- struct sound_device sd;
- struct sound s;
- Lisp_Object args[2];
- int count = SPECPDL_INDEX ();
-
- file = Qnil;
- GCPRO2 (sound, file);
- bzero (&sd, sizeof sd);
- bzero (&s, sizeof s);
- current_sound_device = &sd;
- current_sound = &s;
- record_unwind_protect (sound_cleanup, Qnil);
- s.header = (char *) alloca (MAX_SOUND_HEADER_BYTES);
-
- /* Parse the sound specification. Give up if it is invalid. */
- if (!parse_sound (sound, attrs))
- error ("Invalid sound specification");
-
- if (STRINGP (attrs[SOUND_FILE]))
- {
- /* Open the sound file. */
- s.fd = openp (Fcons (Vdata_directory, Qnil),
- attrs[SOUND_FILE], Qnil, &file, Qnil);
- if (s.fd < 0)
- sound_perror ("Could not open sound file");
-
- /* Read the first bytes from the file. */
- s.header_size = emacs_read (s.fd, s.header, MAX_SOUND_HEADER_BYTES);
- if (s.header_size < 0)
- sound_perror ("Invalid sound file header");
- }
- else
- {
- s.data = attrs[SOUND_DATA];
- s.header_size = min (MAX_SOUND_HEADER_BYTES, SBYTES (s.data));
- bcopy (SDATA (s.data), s.header, s.header_size);
- }
-
- /* Find out the type of sound. Give up if we can't tell. */
- find_sound_type (&s);
-
- /* Set up a device. */
- if (STRINGP (attrs[SOUND_DEVICE]))
- {
- int len = SCHARS (attrs[SOUND_DEVICE]);
- sd.file = (char *) alloca (len + 1);
- strcpy (sd.file, SDATA (attrs[SOUND_DEVICE]));
- }
-
- if (INTEGERP (attrs[SOUND_VOLUME]))
- sd.volume = XFASTINT (attrs[SOUND_VOLUME]);
- else if (FLOATP (attrs[SOUND_VOLUME]))
- sd.volume = XFLOAT_DATA (attrs[SOUND_VOLUME]) * 100;
-
- args[0] = Qplay_sound_functions;
- args[1] = sound;
- Frun_hook_with_args (2, args);
-
- /* There is only one type of device we currently support, the VOX
- sound driver. Set up the device interface functions for that
- device. */
- vox_init (&sd);
-
- /* Open the device. */
- sd.open (&sd);
-
- /* Play the sound. */
- s.play (&s, &sd);
-
- /* Close the input file, if any. */
- if (!STRINGP (s.data))
- {
- emacs_close (s.fd);
- s.fd = -1;
- }
-
- /* Close the device. */
- sd.close (&sd);
-
- /* Clean up. */
- current_sound_device = NULL;
- current_sound = NULL;
- UNGCPRO;
- unbind_to (count, Qnil);
- return Qnil;
-}
-
-\f
/***********************************************************************
Byte-order Conversion
***********************************************************************/
@@ -555,7 +529,6 @@
#endif /* 0 */
-\f
/***********************************************************************
RIFF-WAVE (*.wav)
***********************************************************************/
@@ -645,7 +618,6 @@
}
-\f
/***********************************************************************
Sun Audio (*.au)
***********************************************************************/
@@ -735,7 +707,6 @@
}
-\f
/***********************************************************************
Voxware Driver Interface
***********************************************************************/
@@ -909,7 +880,6 @@
sd->write = vox_write;
}
-
/* Write NBYTES bytes from BUFFER to device SD. */
static void
@@ -923,7 +893,231 @@
sound_perror ("Error writing to sound device");
}
+/* END: Non Windows functions */
+#else /* WINDOWSNT */
+
+/* BEGIN: Windows specific functions */
+static int
+do_play_sound(psz_file,ui_volume)
+ const char * psz_file;
+ unsigned long ui_volume;
+{
+ int i_result=0;
+ MCIERROR mci_error=0;
+ char sz_cmd_buf[520]={0};
+ char sz_ret_buf[520]={0};
+ MMRESULT mm_result=MMSYSERR_NOERROR;
+ unsigned long ui_volume_org=0;
+ BOOL b_reset_volume=FALSE;
+ memset(sz_cmd_buf,0,sizeof(sz_cmd_buf));
+ memset(sz_ret_buf,0,sizeof(sz_ret_buf));
+ sprintf(
+ sz_cmd_buf,
+ "open \"%s\" alias GNUEmacs_PlaySound_Device wait",
+ psz_file);
+ mci_error=mciSendString(sz_cmd_buf,sz_ret_buf,520,NULL);
+ if (mci_error!=0)
+ {
+ sound_warning(
+ "The open mciSendString command failed to open\n"
+ "the specified sound file");
+ i_result=(int)mci_error;
+ return i_result;
+ }
+ if (ui_volume>0 && ui_volume!=UINT_MAX)
+ {
+ mm_result=waveOutGetVolume((HWAVEOUT)WAVE_MAPPER,&ui_volume_org);
+ if (mm_result==MMSYSERR_NOERROR)
+ {
+ b_reset_volume=TRUE;
+ mm_result=waveOutSetVolume((HWAVEOUT)WAVE_MAPPER,ui_volume);
+ if (mm_result!=MMSYSERR_NOERROR)
+ {
+ sound_warning(
+ "waveOutSetVolume failed to set the volume level\n"
+ "of the WAVE_MAPPER device.\n"
+ "As a result, the user selected volume level will\n"
+ "not be used.");
+ }
+ }
+ else
+ {
+ sound_warning(
+ "waveOutGetVolume failed to obtain the original\n"
+ "volume level of the WAVE_MAPPER device.\n"
+ "As a result, the user selected volume level will\n"
+ "not be used.");
+ }
+ }
+ memset(sz_cmd_buf,0,sizeof(sz_cmd_buf));
+ memset(sz_ret_buf,0,sizeof(sz_ret_buf));
+ strcpy(sz_cmd_buf,"play GNUEmacs_PlaySound_Device wait");
+ mci_error=mciSendString(sz_cmd_buf,sz_ret_buf,520,NULL);
+ if (mci_error!=0)
+ {
+ sound_warning(
+ "The play mciSendString command failed to play the\n"
+ "opened sound file.");
+ i_result=(int)mci_error;
+ }
+ memset(sz_cmd_buf,0,sizeof(sz_cmd_buf));
+ memset(sz_ret_buf,0,sizeof(sz_ret_buf));
+ strcpy(sz_cmd_buf,"close GNUEmacs_PlaySound_Device wait");
+ mci_error=mciSendString(sz_cmd_buf,sz_ret_buf,520,NULL);
+ if (b_reset_volume==TRUE)
+ {
+ mm_result=waveOutSetVolume((HWAVEOUT)WAVE_MAPPER,ui_volume_org);
+ if (mm_result!=MMSYSERR_NOERROR)
+ {
+ sound_warning(
+ "waveOutSetVolume failed to reset the original volume\n"
+ "level of the WAVE_MAPPER device.");
+ }
+ }
+ return i_result;
+}
+
+/* END: Windows specific functions */
+
+#endif /* WINDOWSNT */
+
+
+DEFUN ("play-sound-internal", Fplay_sound_internal, Splay_sound_internal, 1, 1, 0,
+ doc: /* Play sound SOUND.
+
+Internal use only, use `play-sound' instead.\n */)
+ (sound)
+ Lisp_Object sound;
+{
+ Lisp_Object attrs[SOUND_ATTR_SENTINEL];
+ int count = SPECPDL_INDEX ();
+
+#ifndef WINDOWSNT
+ Lisp_Object file;
+ struct gcpro gcpro1, gcpro2;
+ struct sound_device sd;
+ struct sound s;
+ Lisp_Object args[2];
+#else /* WINDOWSNT */
+ int len=0;
+ Lisp_Object lo_file={0};
+ char * psz_file=NULL;
+ unsigned long ui_volume_tmp=UINT_MAX;
+ unsigned long ui_volume=UINT_MAX;
+ int i_result=0;
+#endif /* WINDOWSNT */
+
+ /* Parse the sound specification. Give up if it is invalid. */
+ if (!parse_sound (sound, attrs))
+ error ("Invalid sound specification");
+
+#ifndef WINDOWSNT
+ file = Qnil;
+ GCPRO2 (sound, file);
+ bzero (&sd, sizeof sd);
+ bzero (&s, sizeof s);
+ current_sound_device = &sd;
+ current_sound = &s;
+ record_unwind_protect (sound_cleanup, Qnil);
+ s.header = (char *) alloca (MAX_SOUND_HEADER_BYTES);
+
+ if (STRINGP (attrs[SOUND_FILE]))
+ {
+ /* Open the sound file. */
+ s.fd = openp (Fcons (Vdata_directory, Qnil),
+ attrs[SOUND_FILE], Qnil, &file, Qnil);
+ if (s.fd < 0)
+ sound_perror ("Could not open sound file");
+
+ /* Read the first bytes from the file. */
+ s.header_size = emacs_read (s.fd, s.header, MAX_SOUND_HEADER_BYTES);
+ if (s.header_size < 0)
+ sound_perror ("Invalid sound file header");
+ }
+ else
+ {
+ s.data = attrs[SOUND_DATA];
+ s.header_size = min (MAX_SOUND_HEADER_BYTES, SBYTES (s.data));
+ bcopy (SDATA (s.data), s.header, s.header_size);
+ }
+
+ /* Find out the type of sound. Give up if we can't tell. */
+ find_sound_type (&s);
+
+ /* Set up a device. */
+ if (STRINGP (attrs[SOUND_DEVICE]))
+ {
+ int len = SCHARS (attrs[SOUND_DEVICE]);
+ sd.file = (char *) alloca (len + 1);
+ strcpy (sd.file, SDATA (attrs[SOUND_DEVICE]));
+ }
+
+ if (INTEGERP (attrs[SOUND_VOLUME]))
+ sd.volume = XFASTINT (attrs[SOUND_VOLUME]);
+ else if (FLOATP (attrs[SOUND_VOLUME]))
+ sd.volume = XFLOAT_DATA (attrs[SOUND_VOLUME]) * 100;
+
+ args[0] = Qplay_sound_functions;
+ args[1] = sound;
+ Frun_hook_with_args (2, args);
+
+ /* There is only one type of device we currently support, the VOX
+ sound driver. Set up the device interface functions for that
+ device. */
+ vox_init (&sd);
+
+ /* Open the device. */
+ sd.open (&sd);
+
+ /* Play the sound. */
+ s.play (&s, &sd);
+
+ /* Close the input file, if any. */
+ if (!STRINGP (s.data))
+ {
+ emacs_close (s.fd);
+ s.fd = -1;
+ }
+
+ /* Close the device. */
+ sd.close (&sd);
+
+ /* Clean up. */
+ current_sound_device = NULL;
+ current_sound = NULL;
+ UNGCPRO;
+#else /* WINDOWSNT */
+ lo_file=Fexpand_file_name(attrs[SOUND_FILE],Qnil);
+ len=XSTRING(lo_file)->size;
+ psz_file=(char *)alloca(len+1);
+ strcpy(psz_file,XSTRING(lo_file)->data);
+ if (INTEGERP (attrs[SOUND_VOLUME]))
+ {
+ ui_volume_tmp=XFASTINT(attrs[SOUND_VOLUME]);
+ }
+ else if (FLOATP(attrs[SOUND_VOLUME]))
+ {
+ ui_volume_tmp=(unsigned long)XFLOAT_DATA(attrs[SOUND_VOLUME])*100;
+ }
+ /*
+ Based on some experiments I have conducted, a value of 100 or less
+ for the sound volume is much too low. You cannot even hear it.
+ A value of UINT_MAX indicates that you wish for the sound to played
+ at the maximum possible volume. A value of UINT_MAX/2 plays the
+ sound at 50% maximum volume. Therefore the value passed to do_play_sound
+ (and thus to waveOutSetVolume must be some fraction of UINT_MAX.
+ The following code adjusts the user specified volume level appropriately.
+ */
+ if (ui_volume_tmp>0 && ui_volume_tmp<=100)
+ {
+ ui_volume=ui_volume_tmp*(UINT_MAX/100);
+ }
+ i_result=do_play_sound(psz_file,ui_volume);
+#endif /* WINDOWSNT */
+ unbind_to (count, Qnil);
+ return Qnil;
+}
\f
/***********************************************************************
Initialization
[-- Attachment #3: dopatch21_3.sh --]
[-- Type: application/octet-stream, Size: 86 bytes --]
#!/bin/sh
patch --unified --quiet --strip=1 --input=emacs-21.3.50-w32-play-sound.diff
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: New and improved patch for Windows implementation of play-sound-internal
2002-10-29 5:27 New and improved patch for Windows implementation of play-sound-internal Ben Key
@ 2002-10-30 17:16 ` Richard Stallman
0 siblings, 0 replies; 2+ messages in thread
From: Richard Stallman @ 2002-10-30 17:16 UTC (permalink / raw)
Cc: emacs-devel
+ memset(sz_cmd_buf,0,sizeof(sz_cmd_buf));=0A=
+ memset(sz_ret_buf,0,sizeof(sz_ret_buf));=0A=
+ strcpy(sz_cmd_buf,"play GNUEmacs_PlaySound_Device wait");=0A=
Please put a space after each comma, and outside of parentheses
(unless they are inside other parentheses):
+ memset (sz_cmd_buf, 0, sizeof (sz_cmd_buf));=0A=
+ memset (sz_ret_buf, 0, sizeof (sz_ret_buf));=0A=
+ strcpy (sz_cmd_buf, "play GNUEmacs_PlaySound_Device wait");=0A=
Please put spaces around binary operators such as !=.
+ if (mci_error!=0)
should be
+ if (mci_error != 0)
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2002-10-30 17:16 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
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2002-10-29 5:27 New and improved patch for Windows implementation of play-sound-internal Ben Key
2002-10-30 17:16 ` Richard Stallman
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