[PD] newbie question about "dropped"

Hans-Christoph Steiner hans at eds.org
Tue Apr 26 01:44:17 CEST 2005

Someone has got to have figured out how to use \  escaping in tcl  
scripts since Tcl has been around a long time, and is generally used on  
UNIX systems.

Anyone know of some examples that do this?


On Apr 25, 2005, at 10:28 AM, Mathieu Bouchard wrote:

> On Mon, 25 Apr 2005, IOhannes m zmoelnig wrote:
>> and if i may quote myself: "in the current state of pd, escaping  
>> characters is totally unresolved." this does not mean, that i think  
>> that we don't need an escaping mechanism. indeed we should find a  
>> solution to this problem. (and there are plenty of ways for _this_  
>> problems) enabling backslashes might work for now, but miller has  
>> explicitely disabled it and i just wanted to point out, that we might  
>> eventually have to wait until he settles on one solution.
> The biggest problem is that sys_gui() and sys_vgui() as it is being  
> used by all of PureData's externals does not prepare special  
> characters at all, and the backslash and braces are special characters  
> in Tcl, the language used in the user-interface part of PureData; this  
> means that any use of those special characters is ambiguous and  
> confuses Tcl, leading to all sorts of weird things such as objects  
> being partially drawn, or worse.
> This is why those three characters \{} are disabled.
> This should be the first topic in the upcoming 4th online PureData  
> developers meeting, which will be next Friday. I'll announce it on the  
> pd-dev mailing-list today. I have yet to prepare the list of topics we  
> will discuss, which is why I haven't announced it officially yet.
>  ,-o---------o---------o---------o-. ,----.                             
> |
>  | The Diagram is the Program (TM) | |   
> ,-o----------------------------o-.
>  `-o-----------------------------o-' |  | Mathieu Bouchard (Montréal  
> QC) |
>    |                             |---'  |       
> http://artengine.ca/matju |
>    |                             |       
> `-o------------------------------ 
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