Hi,

Le vendredi 29 février 2008, Xavier Maillard a écrit :
quoted text
> Hi,
>
>    Note that "emacsclient" is used with option "-e" to launch "woman"
>    on emacs and this works only on versions >= 22.
>
> I tested and it did not want to work at first. I modified it a
> little bit and now it works with GNU Emacs 23.0.60 (CVS TRUNK).
> Dunno if emacsclient has changed between 22 and CVS but it seems
> it is printing onto stdout now. I will have to check that.

In fact on my main development machine there is only Emacsclient 21 and it 
outputs its version on stderr and exits with code 1. Emacsclient 21 also 
does not accept "-e" option.

I just checked with Emacsclient 22 and it outputs its version on stdout and 
exits with code 0. But it accepts the "-e" option.

I will need to get Emacs 23 from CVS but from what you say I guess it works 
like Emacs 22. 

So my "check_emacsclient_version" function works only with emacsclient 21 
and may be earlier versions.

I used:

	/* emacsclient prints its version number on stderr */
	memset(&ec_process, 0, sizeof(ec_process));
	ec_process.argv = argv_ec;
	ec_process.err = -1;
	ec_process.stdout_to_stderr = 1;

I hoped the above line would redirect stdout to stderr and I could read both 
from "ec_process.err" below, but it seems it doesn't work like that. I also 
just checked using "ec_process.stdout_to_stderr = 0;" but it still doesn't 
work. 

	if (start_command(&ec_process)) {
		fprintf(stderr, "Failed to start emacsclient.\n");
		return -1;
	}
	strbuf_read(&buffer, ec_process.err, 20);
	close(ec_process.err);

I will be offline this week end but I hope I can debug this next week.

Thanks,
Christian.
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