Underscores not drawn in pre with background color
Hi Dillo developers, I stumbled upon a page with a lot of code snippets wrapped in a <pre> block, where Dillo seems to have a rendering problem: Underscores `_' are not drawn. I stripped down this real-world-example to the attached minimal html file which reproduces the problem: The page should render as follows: ============================================ softpoint_with_block() { { echo ""; } | ./softpoint.x leshouches } ============================================ However, in the development version of Dillo it renders as follows: ============================================ softpoint with block() { { echo ""; } | ./softpoint.x leshouches } ============================================ As you can see, the underscores in the function softpoint_with_block() are not drawn in Dillo. However, the underscores are drawn correcty if you * remove the style="..." specification from the <pre> block or * remove the line { echo ""; } | ./softpoint.x leshouches from the <pre> block content. Best regards, Alex
Hi Alexander, On Thu, Jul 21, 2016 at 09:50:22PM +0200, Alexander Voigt wrote:
Hi Dillo developers,
I stumbled upon a page with a lot of code snippets wrapped in a <pre> block, where Dillo seems to have a rendering problem: Underscores `_' are not drawn. I stripped down this real-world-example to the attached minimal html file which reproduces the problem:
The page should render as follows:
============================================ softpoint_with_block() { { echo ""; } | ./softpoint.x leshouches } ============================================
However, in the development version of Dillo it renders as follows:
============================================ softpoint with block() { { echo ""; } | ./softpoint.x leshouches } ============================================
As you can see, the underscores in the function softpoint_with_block() are not drawn in Dillo.
However, the underscores are drawn correcty if you
* remove the style="..." specification from the <pre> block or
* remove the line
{ echo ""; } | ./softpoint.x leshouches
from the <pre> block content.
The attached example renders OK here. Maybe someone else can reproduce it. -- Cheers Jorge.-
Hi Jorge, then maybe it is an FLTK issue? I'm using Debian Jessie GNU/Linux 4.6.0-0.bpo.1-amd64 FLTK 1.3.1 Best regards, Alex On Thu, Jul 21, 2016 at 08:14:20PM -0400, Jorge Arellano Cid wrote:
Hi Alexander,
On Thu, Jul 21, 2016 at 09:50:22PM +0200, Alexander Voigt wrote:
Hi Dillo developers,
I stumbled upon a page with a lot of code snippets wrapped in a <pre> block, where Dillo seems to have a rendering problem: Underscores `_' are not drawn. I stripped down this real-world-example to the attached minimal html file which reproduces the problem:
The page should render as follows:
============================================ softpoint_with_block() { { echo ""; } | ./softpoint.x leshouches } ============================================
However, in the development version of Dillo it renders as follows:
============================================ softpoint with block() { { echo ""; } | ./softpoint.x leshouches } ============================================
As you can see, the underscores in the function softpoint_with_block() are not drawn in Dillo.
However, the underscores are drawn correcty if you
* remove the style="..." specification from the <pre> block or
* remove the line
{ echo ""; } | ./softpoint.x leshouches
from the <pre> block content.
The attached example renders OK here. Maybe someone else can reproduce it.
-- Cheers Jorge.-
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On Fri, 22 Jul 2016 10:17:38 +0200 Alexander Voigt <Hole.destructor at gmx.de> wrote:
then maybe it is an FLTK issue? I'm using
Debian Jessie GNU/Linux 4.6.0-0.bpo.1-amd64 FLTK 1.3.1
Best regards, Alex
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
On Thu, Jul 21, 2016 at 08:14:20PM -0400, Jorge Arellano Cid wrote:
Hi Alexander,
On Thu, Jul 21, 2016 at 09:50:22PM +0200, Alexander Voigt wrote:
Hi Dillo developers,
I stumbled upon a page with a lot of code snippets wrapped in a <pre> block, where Dillo seems to have a rendering problem: Underscores `_' are not drawn. I stripped down this real-world-example to the attached minimal html file which reproduces the problem:
The page should render as follows:
============================================ softpoint_with_block() { { echo ""; } | ./softpoint.x leshouches } ============================================
However, in the development version of Dillo it renders as follows:
============================================ softpoint with block() { { echo ""; } | ./softpoint.x leshouches } ============================================
As you can see, the underscores in the function softpoint_with_block() are not drawn in Dillo.
However, the underscores are drawn correcty if you
* remove the style="..." specification from the <pre> block or
* remove the line
{ echo ""; } | ./softpoint.x leshouches
from the <pre> block content.
The attached example renders OK here. Maybe someone else can reproduce it.
-- Cheers Jorge.-
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_______________________________________________ Dillo-dev mailing list Dillo-dev at dillo.org http://lists.dillo.org/cgi-bin/mailman/listinfo/dillo-dev
-- http://fresh.flatassembler.net http://asm32.info John Found <johnfound at asm32.info>
On Fri, Jul 22, 2016 at 06:19:21PM +0300, John Found wrote:
On Fri, 22 Jul 2016 10:17:38 +0200 Alexander Voigt <Hole.destructor at gmx.de> wrote:
then maybe it is an FLTK issue? I'm using
Debian Jessie GNU/Linux 4.6.0-0.bpo.1-amd64 FLTK 1.3.1
Best regards, Alex
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
+1 A wild shot, but a cheap one, so I'd also try that first. Change your default font to something else and see what happens. Also check FLTK's test programs (IIRC there's a symbols one, and another that's useful to try fonts). If FLTK also has problems check the video driver (older kernel, older/different video driver, GRUB CLI parameter). -- Cheers Jorge.-
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
+1
A wild shot, but a cheap one, so I'd also try that first. Change your default font to something else and see what happens.
Also check FLTK's test programs (IIRC there's a symbols one, and another that's useful to try fonts).
If FLTK also has problems check the video driver (older kernel, older/different video driver, GRUB CLI parameter).
I have not set any specific font in dillorc, so the default setting is used. However, when I change the monospace font to font_monospace="Monospace" then the rendering problem disappears and the underscores are correctly displayed. When I change to font_monospace="DejaVu Sans Mono" the rendering problem is present, i.e. the underscores are not displayed. Best regards, Alex On Fri, Jul 22, 2016 at 11:43:14AM -0400, Jorge Arellano Cid wrote:
On Fri, Jul 22, 2016 at 06:19:21PM +0300, John Found wrote:
On Fri, 22 Jul 2016 10:17:38 +0200 Alexander Voigt <Hole.destructor at gmx.de> wrote:
then maybe it is an FLTK issue? I'm using
Debian Jessie GNU/Linux 4.6.0-0.bpo.1-amd64 FLTK 1.3.1
Best regards, Alex
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
+1
A wild shot, but a cheap one, so I'd also try that first. Change your default font to something else and see what happens.
Also check FLTK's test programs (IIRC there's a symbols one, and another that's useful to try fonts).
If FLTK also has problems check the video driver (older kernel, older/different video driver, GRUB CLI parameter).
On Fri, 22 Jul 2016 17:58:44 +0200 Alexander Voigt <Hole.destructor at gmx.de> wrote:
I have not set any specific font in dillorc, so the default setting is used. However, when I change the monospace font to
font_monospace="Monospace"
then the rendering problem disappears and the underscores are correctly displayed. When I change to
font_monospace="DejaVu Sans Mono"
the rendering problem is present, i.e. the underscores are not displayed.
Best regards, Alex
Confirmed. I am using "Liberation Mono", but with "DejaVu Sans Mono" have the same problem. It is probably because of the characters height - the next row of text overwrites the previous. The question is whether this is because of Dillo or because of FLTK. The same font, used in Firefox renders correctly. -- http://fresh.flatassembler.net http://asm32.info John Found <johnfound at asm32.info>
On Fri, 22 Jul 2016 20:12:59 +0300 John Found <johnfound at asm32.info> wrote:
Confirmed. I am using "Liberation Mono", but with "DejaVu Sans Mono" have the same problem. It is probably because of the characters height - the next row of text overwrites the previous. The question is whether this is because of Dillo or because of FLTK.
The same font, used in Firefox renders correctly.
This looks like a bug in the font: http://dejavu-fonts.org/wiki/Bugs/Archived (you need to scroll down a bit). I have version 2.34 installed - will see if I can reproduce it later. Nick -- Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who "Androids of Tara"
On Sat, 23 Jul 2016 10:01:59 +0100 Nick Warne <nick at linicks.net> wrote:
On Fri, 22 Jul 2016 20:12:59 +0300 John Found <johnfound at asm32.info> wrote:
Confirmed. I am using "Liberation Mono", but with "DejaVu Sans Mono" have the same problem. It is probably because of the characters height - the next row of text overwrites the previous. The question is whether this is because of Dillo or because of FLTK.
The same font, used in Firefox renders correctly.
This looks like a bug in the font:
http://dejavu-fonts.org/wiki/Bugs/Archived
(you need to scroll down a bit).
I have version 2.34 installed - will see if I can reproduce it later.
OK, I get the same issue. But if you change the font size, thus: <pre style="background-color: white; font-size:105%;">softpoint_with_block() { the underscores are visible. Nick -- Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who "Androids of Tara"
On Sat, 23 Jul 2016 11:13:19 +0100 Nick Warne <nick at linicks.net> wrote:
On Sat, 23 Jul 2016 10:01:59 +0100 Nick Warne <nick at linicks.net> wrote:
On Fri, 22 Jul 2016 20:12:59 +0300 John Found <johnfound at asm32.info> wrote:
Confirmed. I am using "Liberation Mono", but with "DejaVu Sans Mono" have the same problem. It is probably because of the characters height - the next row of text overwrites the previous. The question is whether this is because of Dillo or because of FLTK.
The same font, used in Firefox renders correctly.
This looks like a bug in the font:
http://dejavu-fonts.org/wiki/Bugs/Archived
(you need to scroll down a bit).
I have version 2.34 installed - will see if I can reproduce it later.
OK, I get the same issue. But if you change the font size, thus:
<pre style="background-color: white; font-size:105%;">softpoint_with_block() {
the underscores are visible.
Huh! Strangely the underscores become visible with font size set to 95% too! Only 100% renders them invisible? Nick -- Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who "Androids of Tara"
On Sat, 23 Jul 2016 11:25:18 +0100 Nick Warne <nick at linicks.net> wrote:
On Sat, 23 Jul 2016 11:13:19 +0100 Nick Warne <nick at linicks.net> wrote:
On Sat, 23 Jul 2016 10:01:59 +0100 Nick Warne <nick at linicks.net> wrote:
On Fri, 22 Jul 2016 20:12:59 +0300 John Found <johnfound at asm32.info> wrote:
Confirmed. I am using "Liberation Mono", but with "DejaVu Sans Mono" have the same problem. It is probably because of the characters height - the next row of text overwrites the previous. The question is whether this is because of Dillo or because of FLTK.
The same font, used in Firefox renders correctly.
This looks like a bug in the font:
http://dejavu-fonts.org/wiki/Bugs/Archived
(you need to scroll down a bit).
I have version 2.34 installed - will see if I can reproduce it later.
OK, I get the same issue. But if you change the font size, thus:
<pre style="background-color: white; font-size:105%;">softpoint_with_block() {
the underscores are visible.
Huh! Strangely the underscores become visible with font size set to 95% too! Only 100% renders them invisible?
OK, turning off 'use embedded CSS' makes them visible too. CSS parsing error? Nick -- Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who "Androids of Tara"
On Fri, Jul 22, 2016 at 05:58:44PM +0200, Alexander Voigt wrote:
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
+1
A wild shot, but a cheap one, so I'd also try that first. Change your default font to something else and see what happens.
Also check FLTK's test programs (IIRC there's a symbols one, and another that's useful to try fonts).
If FLTK also has problems check the video driver (older kernel, older/different video driver, GRUB CLI parameter).
I have not set any specific font in dillorc, so the default setting is used. However, when I change the monospace font to
font_monospace="Monospace"
then the rendering problem disappears and the underscores are correctly displayed. When I change to
font_monospace="DejaVu Sans Mono"
the rendering problem is present, i.e. the underscores are not displayed.
I've tried all of them here and they work. Devuan Jessie, amd64, Linux 4.5.0-2-amd64 (fltk-1.3.1). ------ Is that the only symbol that disappears? Try a line like: !"#$%&/()=?¡-_{}^[]~.,;:|° and check whether those are displayed. -- Cheers Jorge.-
Hi Jorge,
Is that the only symbol that disappears? Try a line like: !"#$%&/()=?¡-_{}^[]~.,;:|° and check whether those are displayed.
When I open the attached page with dillo, only the underscore disappears. All other characters are visible. Best regards, Alex On Tue, Aug 16, 2016 at 11:23:23PM -0300, Jorge Arellano Cid wrote:
On Fri, Jul 22, 2016 at 05:58:44PM +0200, Alexander Voigt wrote:
IMHO, this is somehow related to the default fonts set in dillorc or the global set system fonts.
+1
A wild shot, but a cheap one, so I'd also try that first. Change your default font to something else and see what happens.
Also check FLTK's test programs (IIRC there's a symbols one, and another that's useful to try fonts).
If FLTK also has problems check the video driver (older kernel, older/different video driver, GRUB CLI parameter).
I have not set any specific font in dillorc, so the default setting is used. However, when I change the monospace font to
font_monospace="Monospace"
then the rendering problem disappears and the underscores are correctly displayed. When I change to
font_monospace="DejaVu Sans Mono"
the rendering problem is present, i.e. the underscores are not displayed.
I've tried all of them here and they work.
Devuan Jessie, amd64, Linux 4.5.0-2-amd64 (fltk-1.3.1). ------
Is that the only symbol that disappears? Try a line like: !"#$%&/()=?¡-_{}^[]~.,;:|° and check whether those are displayed.
-- Cheers Jorge.-
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On Wed, Aug 17, 2016 at 09:07:39AM +0200, Alexander Voigt wrote:
Hi Jorge,
Is that the only symbol that disappears? Try a line like: !"#$%&/()=?¡-_{}^[]~.,;:|° and check whether those are displayed.
When I open the attached page with dillo, only the underscore disappears. All other characters are visible.
Maybe, https://bbs.archlinux.org/viewtopic.php?id=125749 -- Cheers Jorge.-
On Wed, 17 Aug 2016 14:09:32 -0300 Jorge Arellano Cid <jcid at dillo.org> wrote:
Is that the only symbol that disappears? Try a line like: !"#$%&/()=?¡-_{}^[]~.,;:|° and check whether those are displayed.
When I open the attached page with dillo, only the underscore disappears. All other characters are visible.
OK, I just messed around with that, and all works fine in the console. I have attached a slightly different version of the test case, with a few lower case g's stuck in there. The tails of the g's show fine in Dillo, but if you then view the source, the underscore appears maybe 1 or 2 pixels lower than the bottom of the tails - looks like it goes outside the character bounding box when rendered in HTML? Nick -- Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who "Androids of Tara"
participants (4)
-
Hole.destructor＠gmx.de -
jcid＠dillo.org -
johnfound＠asm32.info -
nick＠linicks.net