Re: underscores in debug output?

[Matt Wette]

> On Aug 29, 2017, at 8:56 PM, Christopher Howard <address@hidden> wrote:
> 
> Hi, what does the underscore character mean in this debug output?
> 
>    159:37  5 (delete ((3 . "c") (((2 . "b") (()) 1) (5 . "e") (()) 1)
> 2) 2)
>    163:49  4 (delete ((2 . "b") (()) 1) _)
>     152:9  3 (delete _ _)
>     86:11  2 (skew _)
>      64:6  1 (horizontal-left-link? _)
>     46:11  0 (left-tree _)
> 
> Knowing the value of those parameters would be super helpful here, but
> for some reason they have been replaced by underscores.
> 

I'm finding you get more info if you "guild compile -O0 file.scm" your 
problematic code files prior to debug session.