[Click] Clicky syntax error

[Eddie Kohler]

Thanks for this message!  I've checked in a related improvement; let us know 
if it doesn't work.

Eddie


Jonathan Kirchhoff wrote:
> Hi,
> 
> I encountered an error running clicky (1.8.0 release) on Ubuntu 9.10, 
> resulting in the elements being placed on top of each other.
> 
> $ src/clicky ../../conf/test.click
> digraph {
> nodesep=0,14;
> ranksep=0,2;
> ...
> 
> Error: <stdin>:2: syntax error near line 2
> context:  >>> nodesep=0, <<< 14;
> 
> The problem appears to be that the StringAccum class uses sprintf(), 
> which in turn refers to the machine's locale settings for the correct 
> decimal separator. However, graphviz does not accept comma separateted 
> decimals by default.
> 
> Therefore, overriding LC_NUMERIC with something like 'en_US.utf-8' 
> solves the graphviz syntax error. A call to setlocale() works and should 
> not affect other programs:
> 
>     setlocale(LC_NUMERIC, "en_US.utf-8");
> 
> If there's a better solution, please let me know. Thanks ;-)
> 
> Regards
> Jonathan
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