* bug#26922: 26.0.50; mhtml-mode fontification problem
@ 2017-05-14 12:42 Stephen Berman
2017-05-21 4:04 ` bug#26922: fixed Tom Tromey
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Berman @ 2017-05-14 12:42 UTC (permalink / raw)
To: 26922
0. Create the file "test.html" with the following content:
--8<---------------cut here---------------start------------->8---
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
</head>
<body>
<p>This is a test.</p>
</body>
</html>
--8<---------------cut here---------------end--------------->8---
1. emacs -Q path/to/test.html
2. Notice that the first three lines are fontified with
font-lock-string-face and the remaining lines with a mix of faces as
appropriate for the mode (identified as XHTML+ in the mode line).
3. Put point on line 3 ("http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">)
and press TAB, making the line indent to column 1.
=> Now the entire buffer is fontified with font-lock-string-face.
Undoing the reindentation triggered by TAB in step 3 does not restore
the fontification, nor does `M-x font-lock-fontify-buffer' or disabling
and then re-enabling font-lock-mode in the buffer. However, altering
the first line (<?xml version="1.0" encoding="iso-8859-1"?>) does
restore the fontification. A subsequent modification to line 3 again
renders the whole buffer in font-lock-string-face -- but changing line 2
does not have this effect, nor does typing `M-^' on line 3 to join it to
line 2.
The faulty refontification does not happen with the above recipe in
Emacs 25.2, nor does it happen in master if, prior to step 1 above, I
evaluate this line:
(add-to-list 'auto-mode-alist '("\\.[sx]?html?\\(\\.[a-zA-Z_]+\\)?\\'" . html-mode))
to make the file get visited in html-mode (with mode line lighter XTHML)
instead of mhtml-mode.
In GNU Emacs 26.0.50 (build 4, x86_64-pc-linux-gnu, GTK+ Version 3.20.10)
of 2017-05-14 built on rosalinde
Repository revision: 4132bd74e9816ca913f862835cc062e092ab8b79
Windowing system distributor 'The X.Org Foundation', version 11.0.11803000
System Description: openSUSE Leap 42.2
Configured using:
'configure --with-xwidgets 'CFLAGS=-Og -g3''
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY
GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
GTK3 X11 XWIDGETS
Important settings:
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=local
locale-coding-system: utf-8-unix
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2017-05-14 12:42 bug#26922: 26.0.50; mhtml-mode fontification problem Stephen Berman
2017-05-21 4:04 ` bug#26922: fixed Tom Tromey
2017-05-21 14:02 ` Stephen Berman
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