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bug#65680: cl-print-to-string-with-limit erroneously imposes a maximum p
From: |
Stefan Monnier |
Subject: |
bug#65680: cl-print-to-string-with-limit erroneously imposes a maximum print-length of 50 |
Date: |
Thu, 21 Sep 2023 12:16:57 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Alan Mackenzie [2023-09-01 14:17:12] wrote:
> Hello, Emacs.
>
> In cl-print-to-string-with-limit appears the following binding:
>
> (print-length (cond
> ((null limit) nil)
> ((eq limit t) print-length)
> (t (min limit 50))))
> ^^^^^^^^^^^^
>
> .. This has the effect of ignoring the parameter LIMIT (unless it is
> very small) and instead truncating the printed size to 50. There is a
> similar mechanism to limit print-level to 8.
>
> Although the doc string doesn't explicitly say it won't truncate like
> this, it kind of implies that LIMIT is the size it will truncate to.
> This excessive truncation is a bug.
See also bug#34183.
> .. I propose fixing this bug by removing these limits on print-length and
> print-level in cl-print-to-string-with-limit.
Sounds a bit drastic. Strings can be obnoxiously long, so it's
important for cl-print to be able to truncate them.
[ IOW, I'm not happy with commit
761f8901fffdb155cbcc7f3b5a2329161c2c1826. ]
Stefan