interestingly, on Linux, passing "" to a script that takes no args has no damaging effect; guess that breaks on Windows. I'll look at all your patches together and check them in the next couple of weeks >>>>> "Jarek" == Jarek Czekalski <firstname.lastname@example.org> writes: Jarek> W dniu 09/27/2013 05:33 PM, T. V. Raman pisze: >> I've checked in a slightly fixed-up version of your patch >> -- note the following: >> >> The empty string is not "false" in lisp -- Jarek> Jarek> You are right, when you corrected my defvar. That's Jarek> how I intended it to work. Jarek> Jarek> However replacing 2 calls to start-process with a Jarek> single one having "" argument as a fallback does not Jarek> work. It is a different thing to call a program with Jarek> no arguments and with an empty string as an Jarek> argument. So it needs a correction. Jarek> Jarek> I discovered also additional things: Jarek> Jarek> 1. No need to check if the path is absolute, because Jarek> expand-file-name leaves absolute file names Jarek> untouched. So it was my mistake to introduce Jarek> additional variable for that Jarek> Jarek> 2. Current solution always passes a single argument, Jarek> so if, hypothetically, we had espeak program as Jarek> server, it would be impossible to launch it with 2 Jarek> arguments, for example "-veurope/pl --path /new/path". Jarek> Jarek> I see now the following choices, please choose the Jarek> one: Jarek> Jarek> A. Revert to r8406. We would still have the ability to Jarek> pass absolute file name as server, so any script files Jarek> or batch files would work. The problem under windows Jarek> would be that the server has to be called through a Jarek> "bat" file. This was the thing I tried to avoid, Jarek> because sometimes these batch files create dummy Jarek> console windows. But I guess I made an attempt with a Jarek> bat file and on my system it didn't create the Jarek> unwanted window. Jarek> Jarek> B. Leave things as they are being consious that using Jarek> DTK_PROGRAM_ARGS is possible with only single argument Jarek> and that it has bug passing single empty string Jarek> parameter instead of no parameters. Maybe currently it Jarek> does not crash any server, but potentially it could do Jarek> harm. Jarek> Jarek> C. Slightly correct the start-process call, to remove Jarek> the empty string bug. Insert a comment, that only 1 Jarek> argument may be passed to the server using Jarek> DTK_PROGRAM_ARGS Jarek> Jarek> D. I should prepare a full patch that would provide Jarek> possibility to split-string of arguments into a list Jarek> of arguments. The list would be later passed to the Jarek> start-process with "apply" or "funcall". Parsing the Jarek> string instead of simple splitting should also allow Jarek> to pass arguments with spaces inside. That would force Jarek> me to create a complicated parsing procedure, probably Jarek> not worth this work. Anyway it is my need and my Jarek> fault, so no problem with that. The problem is having Jarek> some extra code in emacspeak. Jarek> Jarek> Raman, I'm sorry for the mess I introduced with the Jarek> patch. Now when you know the exact purpose of the Jarek> patch, you have a better view on which way to choose. Jarek> Jarek> Jarek -- Best Regards, --raman -- Best Regards, --raman ----------------------------------------------------------------------------- To unsubscribe from the emacspeak list or change your address on the emacspeak list send mail to "email@example.com" with a subject of "unsubscribe" or "help".
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