[bug #61748] [grohtml] infinite loop

[G. Branden Robinson]

Follow-up Comment #5, bug #61748 (project groff):

[comment #1 comment #1:]
>   I do not get any trouble processing the minimal example.
> 
>   I do get errors when processing "doc/grnexmpl.me":
> 
>   The pipe is
> 
> soelim grnexmpl.me | grn -Thtml | eqn -Tps:html | pre-grohtml troff -b \
>   -ww -me -Thtml | post-grohtml
> 
>   The strings "10", and "g9" come from "eqn" (eqn grnexmpl.me).
> 
>   The "output suppression escape sequence" is "\O" and valid arguments
> are the numbers 0-4 and string "5...".
> 
>   An exaple of the error messages is:
> 
> troff: backtrace: './grnexmpl.me':44: string '10'
> troff: backtrace: file './grnexmpl.me':43
> troff:./grnexmpl.me:43: error: invalid argument 'H' to output suppression
escape sequence
> troff: backtrace: './grnexmpl.me':44: string '10'
> troff: backtrace: file './grnexmpl.me':43
> troff:./grnexmpl.me:43: error: invalid argument 'H' to output suppression
escape sequence
> troff: backtrace: './grnexmpl.me':44: string '10'
> troff: backtrace: file './grnexmpl.me':43
> 
>   All messages are in the attachment.

I'm sorry to say I can no longer reproduce this--neither with groff
1.22.4 nor Git HEAD, which seems very strange to me because I didn't do
anything to even attempt to fix it, and I know I have seen this output
before.

So if someone can come up with a reproducer I can observe, I'd
appreciate it.


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