[debbugs-tracker] bug#6800: closed (23.1; EOT / ^D inserted into comint input string)

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Your message dated Fri, 12 Aug 2016 19:36:52 +0100
with message-id <address@hidden>
and subject line Re: bug#6800: 23.1; EOT / ^D inserted into comint input string
has caused the debbugs.gnu.org bug report #6800,
regarding 23.1; EOT / ^D inserted into comint input string
to be marked as done.

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6800: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6800
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> --- Begin Message ---
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> Subject: 
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> 23.1; EOT / ^D inserted into comint input string
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> Date: 
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> Thu, 5 Aug 2010 07:58:13 -0700
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> When an input longer than 255 characters is typed into comint (or
> shell) an EOT character (ascii 4, ^D) is inserted into the string.
> This can cause an error depending how the sub process handles these
> extra characters.  For example, GHC doesn't like it when an EOT
> appears inside of a string:
>
>  ghci
>  > Prelude> putStrLn "<a 241 character string>"
> works fine, but
>  > Prelude> putStrLn "<a 242 character string>"
> <interactive>:1:255: lexical error at character '\EOT'
>
> I inserted a function to break up the input into comint-send-string to work around the problem:
>
> (require 'comint)
>
> (defun comint-send-string (process string)
>   "Like `process-send-string', but also does extra bookkeeping for Comint mode."
>   (if process
>       (with-current-buffer (if (processp process)
>                    (process-buffer process)
>                  (get-buffer process))
>     (comint-snapshot-last-prompt))
>     (comint-snapshot-last-prompt))
>   (my-process-send-string process string))
>
> ;; Break up the string so that we don't get EOT characters in our input stream.
> (defun my-process-send-string (process string)
>   (if (> (length string) 200)
>       (progn (process-send-string process (substring string 0 200)) (my-process-send-string process (substring string 200)))
>     (process-send-string process string)))         
>
>
> --- End Message ---
> --- Begin Message ---
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>
>
> Subject: 
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> Re: bug#6800: 23.1; EOT / ^D inserted into comint input string
>
>
>
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> Date: 
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> Fri, 12 Aug 2016 19:36:52 +0100
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>
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/25.1 (darwin)
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>
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> Stefan Monnier <address@hidden> writes:
>
> >> When an input longer than 255 characters is typed into comint (or
> >> shell) an EOT character (ascii 4, ^D) is inserted into the string.
> >> This can cause an error depending how the sub process handles these
> >> extra characters.  For example, GHC doesn't like it when an EOT
> >> appears inside of a string:
> >
> > I believe this bug is fixed on the Emacs trunk (to become Emacs-24), but
> > the fix may introduce other problems.  Apparently nobody knows how to
> > fix it right and there is about as much as no documentation at all on
> > this part of the behavior of ttys.
>
> IIRC this code is no longer in Emacs. I'll close this bug.
>
> -- 
> Alan Third
>
>
> --- End Message ---