Package: emacs
Version: 1:27.1+1-3.1
Severity: normal

Dear Maintainer,

The Emacs calculator in version 27.1 is unable to produce any plot
because it uses commands that are obsolete and deprecated in gnuplot
version 5.4. One command in particular prevents any plot from showing
up. This is the "set notime" on line 354 of the file
"/usr/share/emacs/27.1/lisp/calc/calc-graph.el.gz". 

Entering this command on the gnuplot REPL shows the following output

gnuplot> set notime
             ^
         warning: deprecated syntax, use "unset"
               ^
         Unrecognized option.  See 'help unset'

As described in this post 
https://emacs.stackexchange.com/questions/63751/i-cant-get-the-most-basic-calc-mode-gnuplot-example-to-work
replacing "set notime" with "set notimestamp" does make plots in Emacs
calc work again. However "set" set seems to be deprecated so the
equivalent "unset" command may be preferable. 

-- System Information:
Debian Release: 11.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-11-amd64 (SMP w/6 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages emacs depends on:
ii  emacs-gtk  1:27.1+1-3.1

emacs recommends no packages.

emacs suggests no packages.

-- no debconf information

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