GNU bug report logs - #11134
24.0.94; Mac's Text to Speech stopped working in emacs buffers when I moved from Snow Leopard to Lion

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From: Jan Djärv <jan.h.d <at> swipnet.se>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: Charles Magid <cmmagid <at> gmail.com>, 11134 <at> debbugs.gnu.org
Subject: bug#11134: 24.0.94; Mac's Text to Speech stopped working in emacs buffers when I moved	from Snow Leopard to Lion
Date: Sun, 1 Apr 2012 11:10:48 +0200

Hello.

1 apr 2012 kl. 05:09 skrev YAMAMOTO Mitsuharu:

>>>>>> On Sat, 31 Mar 2012 16:34:56 +0200, Jan Djärv <jan.h.d <at> swipnet.se> said:
> 
>> The NS port does not support accessability at all, but if it is the
>> function described by YAMAMOTO Mitsuharu above you want, try the
>> patch below.  
> 
>> +  else if ([attribute isEqualToString:NSAccessibilityValueAttribute])
>> +    {
>> +      if (! NILP (BVAR (current_buffer, mark_active)))
>> +        str = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
>> +      if (NILP (str))
>> +        str = Fbuffer_string ();
>> +    }
> 
> Is it safe to call Fbuffer_string (in particular, move the gap) inside
> read_socket_hook?  It is apparently unsafe without SYNC_INPUT, but I'm
> not sure if it is supposed to be OK for the SYNC_INPUT case.
> 


Can you show where move_gap runs Lisp code?
Updating the properties might run hooks, so we probably don't want to use Fbuffer_string for that reason.

	Jan D.

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