• Bug#266701: xterm: Backspace behavior over non-ASCII characters in UTF-

    From Andrew Moise@1:229/2 to All on Wed Aug 18 21:10:13 2004
    XPost: linux.debian.maint.x
    From: [email protected]

    Package: xterm
    Version: 4.3.0.dfsg.1-6
    Severity: normal

    In the en_US.UTF-8 locale, inserting any non-ascii character into the command line and then backspacing over it seems to backspace over bytes rather than characters. If I insert "áõã" (either with compose keys or by cut-and-paste),
    I can then backspace over the last few characters of my prompt:

    [moise@pogo ~]$
    [moise@pogo ~]$ áõã
    [moise@pogo ~]$ áõ
    [moise@pogo ~]$ á
    [moise@pogo ~]$
    [moise@pogo ~]$
    [moise@pogo ~�

    Also, if I type "lsã" and then backspace one time, I get "zsh: command not found: ls\M-C" when I hit enter.
    This only happens with zsh (not bash), so it could easily be a zsh bug. It doesn't happen with aterm or on the console, though, so I've arbitrarily filed the bug against xterm :-).
    Just like #266336, this happens with both xterm and "xterm -class UXTerm -title 'uxterm' -u8" (the guts of uxterm) when LANG and LC_ALL are en_US.UTF-8, and not with either with en_US.ISO-8859-1.

    -- System Information:
    Debian Release: 3.1
    APT prefers unstable
    APT policy: (500, 'unstable')
    Architecture: i386 (i686)
    Kernel: Linux 2.6.7+mppe
    Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8

    Versions of packages xterm depends on:
    ii libc6 2.3.2.ds1-16 GNU C Library: Shared libraries an ii libexpat1 1.95.6-8 XML parsing C library - runtime li ii libfontconfig1 2.2.3-1 generic font configuration library ii libfreetype6 2.1.7-2.2 FreeType 2 font engine, shared lib ii libice6 4.3.0.dfsg.1-6 Inter-Client Exchange library
    ii libncurses5 5.4-4 Shared libraries for terminal hand ii libsm6 4.3.0.dfsg.1-6 X Window System Session Management ii libxaw7 4.3.0.dfsg.1-6 X Athena widget set library
    ii libxext6 4.3.0.dfsg.1-6 X Window System miscellaneous exte ii libxft2 2.1.2-6 FreeType-based font drawing librar ii libxmu6 4.3.0.dfsg.1-6 X Window System miscellaneous util ii libxpm4 4.3.0.dfsg.1-6 X pixmap library
    ii libxrender1 0.8.3-7 X Rendering Extension client libra ii libxt6 4.3.0.dfsg.1-6 X Toolkit Intrinsics
    ii xlibs 4.3.0.dfsg.1-6 X Window System client libraries m ii xlibs-data 4.3.0.dfsg.1-6 X Window System client data

    -- no debconf information

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