Erros in Haml templates - both syntax and not - should bubble up to the 
toplevel. Last time I ran a diagnostic they did so, but it's possible 
new versions of things might have changed that. Which Rails and Haml 
versions are you using?

Serenity wrote:
> Hello,
>
> I'm fairly new to Haml. I've run into a number of situations where a
> render of a haml template simply generates absolutely nothing. In
> every case so far, it has turned out that the haml template was
> calling a helper that had a ruby error in it.
>
> But the problem is that this happens completely silently. I see
> absolutely nothing on the console or in the web browser window to
> indicate that anything went wrong, much less what - except that what
> was supposed to be rendered is missing.
>
> Is Haml supposed to emit some kind of error message when a template
> fails? It's extremely slow to have to take an entire template, one
> line and one helper call at a time, and assess whether that is where
> it is failing.
>
> Thanks
> Avram
> >
>
>   


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