Re: Gnus html again

[Roger Mason <rmason@esd.mun.ca>]

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Thanks to a suggestion from Nick Dokos, I have a backtrace:

Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  +(nil 12)
  font-spatial-to-canonical("+12pt")
  css-expand-length("+12pt" t)
  css-expand-value(height "+12pt")
  css-parse-args(238 257)
  css-parse("file:/usr/local/share/default.css" nil nil)
  w3-find-default-stylesheets()
  w3-refresh-stylesheets()
  w3-do-setup()
  mm-setup-w3()
  mm-inline-text((#<buffer  *mm*<2>> ("text/html" (charset . "us-ascii")) quoted-printable nil nil nil nil nil))
  mm-display-inline((#<buffer  *mm*<2>> ("text/html" (charset . "us-ascii")) quoted-printable nil nil nil nil nil))
  mm-display-part((#<buffer  *mm*<2>> ("text/html" (charset . "us-ascii")) quoted-printable nil nil nil nil nil))
  byte-code("Œ\bƒ\x1e\0\b@\bA†\x14\0\b@bˆÆyˆ`}ˆed|ˆÇ	!ˆÈ C\x12\v\f‰\x1dA@)‰\x16+„4\0\f@\x16+\b„>\0ÉÊ!„\n\x01Ë`‰\x16,ÌÍ\x0e-\"cˆ`ÎÏÐÑ\b?ÒÓÔ\x0e\x13DEEÕÔ\fDÔ\x0e+DÔ\nD\x0e-¯\x05F\x0e.\x0e/Ö\x0e0×\x0e1Ø\x0e-Ù\x0e2¯\f#ˆÚÛ\x0e,`ÜÝÞ\x0e3&\aˆ	‰A\x11@‰\x162ƒ\a\x01Ë`‰\x16,Ìß\x0e2\všƒ§\0à‚¨\0á\x0e2‰\x1e2@;ƒ¸\0\x0e2@‚½\0â\x0e28@)#cˆ`ÎÏãÑ\b?ÒÓÔ\x0e\x13DEEÕÔ\fDÔ\x0e2DÔ\nD\x0e-¯\x05F\x0e.\x0e/Ö\x0e0×\x0e1Ø\x0e-Ù\x0e2¯\f#ˆÚÛ\x0e,`ÜÝÞ\x0e3&\aˆäcˆ‚Š\0åcˆ\vƒj\x01\v@;ƒ^[\x01æ\v!ˆ‚b\x01\x0e4Š\x0e5qˆ\x0e6)\x1e7\x1e8ç\v!ˆŠŒ\n@d}ˆèé\x0e\x13Gê\x0e9@!ƒE\x01â‚I\x01\x0e9GS\x0e2‰\x1e2@;ƒY\x01\x0e2@‚^\x01â\x0e28@)$ˆ,dbˆ\nÈ ¡ˆ)é‡" [ibegend handles begend preferred ihandles x 2 mm-remove-parts point-marker gnus-unbuttonized-mime-type-p "multipart/alternative" gnus-add-text-properties format "%d.  " gnus-callback lambda (handles) unless setq gnus-article-mime-handle-alist quote gnus-mime-display-alternative face keymap gnus-part gnus-data widget-convert-button link :action gnus-widget-press-button :button-keymap "(%c) %-18s" 42 32 1 (handles) "  " "\n\n" gnus-display-mime mm-display-part gnus-treat-article nil bufferp not-pref from id gnus-mouse-face-prop gnus-article-mouse-face gnus-article-button-face gnus-mime-button-map ...] 16)
  gnus-mime-display-alternative(((#<buffer  *mm*> ("text/plain" ...) 7bit nil nil nil nil nil) (#<buffer  *mm*<2>> ("text/html" ...) quoted-printable nil nil nil nil nil)) nil nil 1)
  gnus-mime-display-part(("multipart/alternative" (#<buffer  *mm*> ("text/plain" ...) 7bit nil nil nil nil nil) (#<buffer  *mm*<2>> ("text/html" ...) quoted-printable nil nil nil nil nil)))
  mapcar(gnus-mime-display-part (("multipart/alternative" (#<buffer  *mm*> ... 7bit nil nil nil nil nil) (#<buffer  *mm*<2>> ... quoted-printable nil nil nil nil nil)) (#<buffer  *mm*<3>> ("application/msword" ...) base64 nil ("attachment" ...) nil nil nil)))
  gnus-mime-display-mixed((("multipart/alternative" (#<buffer  *mm*> ... 7bit nil nil nil nil nil) (#<buffer  *mm*<2>> ... quoted-printable nil nil nil nil nil)) (#<buffer  *mm*<3>> ("application/msword" ...) base64 nil ("attachment" ...) nil nil nil)))
  gnus-mime-display-part(("multipart/mixed" ("multipart/alternative" (#<buffer  *mm*> ... 7bit nil nil nil nil nil) (#<buffer  *mm*<2>> ... quoted-printable nil nil nil nil nil)) (#<buffer  *mm*<3>> ("application/msword" ...) base64 nil ("attachment" ...) nil nil nil)))
  gnus-display-mime()
  gnus-article-prepare-display()
  gnus-article-prepare(2 nil)
  gnus-summary-display-article(2 nil)
  gnus-summary-select-article(nil nil pseudo)
  gnus-summary-scroll-up(1)
* call-interactively(gnus-summary-scroll-up)

It is
evident from this that gnus is using w3 to decode html.  However,
although I have w3 installed I have never been able to get it to work
reliably so I use w3m as my emacs browser.  I wish to use w3m to
decode inline html also.

mm-inline-media-tests includes the entry: ("text/html" mm-inline-text
(lambda (handle) (locate-library "w3m")))

which is set in my .emacs through the customization mechanism.

It appears that some other variable needs to be set: but which one(s)?

Thanks,

Roger Mason

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