[Konsole-devel] [Bug 233065] New: konsole fails to draw bright colors in screen when TERM is set to xterm-256colors

[Eckhart Wörner]

https://bugs.kde.org/show_bug.cgi?id=233065

           Summary: konsole fails to draw bright colors in screen when
                    TERM is set to xterm-256colors
           Product: konsole
           Version: unspecified
          Platform: Debian testing
        OS/Version: unspecified
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: konsole-devel at kde.org
        ReportedBy: ewoerner at kde.org


Version:            (using KDE 4.3.4)
Installed from:    Debian testing/unstable Packages

This bug has been copied over from
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=531752

----

In order to enable 256 color support in vim and other console
applications the TERM env setting was set to xterm-256color.
After this and using the scripts in 
http://www.frexx.de/xterm-256-notes/ I was able to confirm that the
256 color support was active. Both 256 and 16 color tests passed as
expected.

Next GNU screen was executed and the tests were repeated.
The 256 color test passed successfully with all the colors visible but
the 16 color test didn't pass. The bright colors are displayed in bold
but not in bright. Also if you are using a font that doesn't support
bold colors, there will be no difference between normal and bold/bright
colors.

This was tested in debian lenny kde3, squeeze and sid kde4 and
also kubuntu jaunty kde4 and all displayed the same results.

The following screenshot was taken using the font Terminus 8 that
doesn't support bold characters. The left panel represents 
TERM=xterm and the right panel represents TERM=xterm-256color both
taken inside screen.

http://img223.imageshack.us/img223/3667/wrongcolorskonsolescree.png

The same test was also performed on xterm and the problem was not
visible.

Steps to reproduce:
1-Download the script colortable16.sh from
http://www.frexx.de/xterm-256-notes/
2-Move ~/.screenrc to ~/.screenrc-new (move customizations out of the way)
3-Open a new konsole session
4-Execute: export TERM=xterm
5-Execute: screen
6-Execute: bash colortable16.sh
7-Take a screenshot
8-Detach the screen session
9-Execute: export TERM=xterm-256color
10-Execute: screen -R
11-Take another screenshot
12-Compare the two screenshots, the last one should have the same color
on bold and non bold lines

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