bug#39232: 26.3; gnuplot qt mode

[Bart Nielsen]

M-x calc
vx 10
<return>
gf


and in *Gnuplot Trail* I see:


Starting gnuplot...

        G N U P L O T
        Version 5.2 patchlevel 8    last modified 2019-12-01 

        Copyright (C) 1986-1993, 1998, 2004, 2007-2019
        Thomas Williams, Colin Kelley and many others

        gnuplot home:     http://www.gnuplot.info
        faq, bugs, etc:   type "help FAQ"
        immediate help:   type "help"  (plot window: hit 'h')

Terminal type is now 'qt'
gnuplot> 
Terminal type is now 'unknown'
                      ^
         unknown or ambiguous terminal type; type just 'set terminal' for a list

gnuplot> gnuplot> WARNING: Plotting with an 'unknown' terminal.
No output will be generated. Please select a terminal with 'set terminal'.
gnuplot>





When I run gnuplot from the command line, I can run:

gnuplot
plot sin(x)/x


and get the expected output with a terminal time of qt.


as in
spacey:~ monet$ gnuplot

        G N U P L O T
        Version 5.2 patchlevel 8    last modified 2019-12-01 

        Copyright (C) 1986-1993, 1998, 2004, 2007-2019
        Thomas Williams, Colin Kelley and many others

        gnuplot home:     http://www.gnuplot.info
        faq, bugs, etc:   type "help FAQ"
        immediate help:   type "help"  (plot window: hit 'h')

Terminal type is now 'qt'
gnuplot> plot sin(x)/x
qt.qpa.fonts: Populating font family aliases took 159 ms. Replace uses of 
missing font family "Sans" with one that exists to avoid this cost. 
gnuplot>

Thanks!!


In GNU Emacs 26.3 (build 1, x86_64-apple-darwin18.2.0, NS appkit-1671.20 
Version 10.14.3 (Build 18D109))
of 2019-09-02 built on builder10-14.porkrind.org
Windowing system distributor 'Apple', version 10.3.1894
Recent messages:
Type "q" in help window to restore previous buffer.
Calc Help options: Help, Info, ...  press SPC, DEL to scroll, C-g to cancel
View mode: type C-h for help, h for commands, q to quit.
previous-line: Beginning of buffer [2 times]
Mark set
Auto-saving...done
Type C-x 1 to remove help window.  
C-x C-g is undefined
funcall-interactively: Buffer is read-only: #<buffer NEWS>
Quit [2 times]

Configured using:
'configure --with-ns '--enable-locallisppath=/Library/Application
Support/Emacs/${version}/site-lisp:/Library/Application
Support/Emacs/site-lisp' --with-modules'

Configured features:
NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES THREADS

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Outline

Minor modes in effect:
  shell-dirtrack-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t
  view-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
bytecomp byte-compile cconv format-spec rfc822 mml mml-sec
password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils apropos noutline outline easy-mmode view help-fns radix-tree
help-mode calc-help jka-compr shell pcomplete comint ansi-color ring
misearch multi-isearch dired-aux cl-loaddefs cl-lib info dired
dired-loaddefs calccomp calc-alg calc-vec calc-graph calc-ext calc-misc
calc-menu easymenu calc calc-loaddefs calc-macs elec-pair time-date
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel term/ns-win ns-win ucs-normalize mule-util term/common-win
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock
font-lock syntax facemenu font-core term/tty-colors frame cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote threads kqueue cocoa ns
multi-tty make-network-process emacs)

Memory information:
((conses 16 271735 12624)
(symbols 48 24724 1)
(miscs 40 170 765)
(strings 32 41391 1637)
(string-bytes 1 1129894)
(vectors 16 39088)
(vector-slots 8 777067 21374)
(floats 8 56 276)
(intervals 56 6166 0)
(buffers 992 37))