Re: Possible libyaml bug

Hi Ingy,

Ingy dot Net wrote:
> I think this may be the first bug I've found in libyaml:
> 
>  > ysh -MYAML::XS
> Welcome to the YAML Test Shell. Type ':help' for more information.
> 
> ysh > --- 
> "                                                                    
> yaml> 
> --                                                                       
> yaml> 
> "                                                                        
> yaml> 
> ...                                                                      
> $VAR1 = ' -- ';
> ysh > --- 
> "                                                                    
> yaml> 
> ---                                                                      
> yaml> 
> "                                                                        
> yaml> 
> ...                                                                      
> YAML Load Failed:
>   YAML::XS::Load Error: The problem:
>  
>       found unexpected document indicator
>  
>   was found at document: 1, line: 2, column: 1
>   while scanning a quoted scalar at line: 1, column: 5
> ysh 
>  >                                                                           

The spec requires that continuation lines of a flow scalar are indented 
with at least one space.  LibYAML relaxes this rule by allowing 
multi-line flow scalars not to be indented, but it still checks that 
document start/end indicators do not appear at the beginning of the 
line.  The reasoning for this check was to allow an application to split 
a YAML stream into separate documents without using a full YAML parser 
(whether or not this feature is practical, I'm not sure).


Thanks,
Kirill

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