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Re: Bold by moving pixels problem

From: Robert J. Chassell
Subject: Re: Bold by moving pixels problem
Date: Mon, 11 Aug 2003 18:54:58 +0000 (UTC)

    .... That could be different colors, different font or whatever. ....

Speaking of fonts, has anyone permanently fixed the font problem I
reported last November?  I am still using the second patch from Miles
on 18 Dec 2002, which solves the problem for me personally.

I just checked. The font problem still exists with 

    Today's CVS snapshot, Mon, 2003 Aug 11  18:39 UTC
    GNU Emacs (i686-pc-linux-gnu, X toolkit)

and is fixed when I patch emacs/src/xfaces.c with what Miles sent.

Miles said his second patch should not be widely used since it could
cause a race condition.  While I suffered initially, I have not
suffered any problems for several months and wonder if other changes
to the emacs/src/xfaces.c code have taken care of the potential
problem.  Or have I just been lucky?

To remind you, this is the font issue:

    Date: Wed, 20 Nov 2002 13:09:10 +0000 (UTC)
    Subject: Bold by moving pixels problem
    From: "Robert J. Chassell" <address@hidden>

    ... on 19 Nov 2002, mode-line-buffer-identification
    suddenly started showing buffer names in bold.

    This applies both to a plain vanilla instance of Emacs started

         /usr/local/bin/emacs -q --no-site-file --eval '(blink-cursor-mode 0)'

    and to the instance I start with a .emacs file.

    The change does not look too bad with the plain vanilla instance.

    However, there are three problems with the consequences of the
    change for instances of emacs started with my .emacs file:

      * the new bold creation technique fills in letters such as `m'
        so that they become unreadable rectangles

        I am using a `10x20' font,
        which has been very clear for the screen I am using.

      * I cannot permanently change
            :weight bold
            :weight normal
        in the variable `mode-line-buffer-identification', which is

        That is to say, when I reset the value of
        `mode-line-buffer-identification' so its face is :weight
        normal rather than :weight bold, that change is only
        temporary.  I don't know what to write in my .emacs file that
        can make a permanent global change to a variable that is
        buffer local.  If there is a method please tell me!

      * I do not know how to set the value that is associated with

            (face (:weight bold) ...

        in my .emacs.

        Put another way, evaluating the following works temporarily
        but not permanently:

              (#("%14b" 0 4
                  ;; (:weight bold)
                  (:weight normal)
                  "mouse-1: other buffer, mouse-2: prev, M-mouse-2: next, 
mouse-3: buffer menu"
                   (header-line keymap
                                (down-mouse-3 . mouse-buffer-menu)
                                (mouse-2 . bury-buffer)
                                (M-mouse-2 . mode-line-unbury-buffer)
                                (mouse-1 . mode-line-other-buffer))
                   (mode-line keymap
                              (down-mouse-3 . mouse-buffer-menu)
                              (mouse-2 . bury-buffer)
                              (M-mouse-2 . mode-line-unbury-buffer))))))

        On the other hand, the following produces the face that I
        specify when I evaluate it:

             '(bold ((t (:background "DodgerBlue4" :foreground "cyan"))))

        How do I reset the bold characteristic of the face in
        `mode-line-buffer-identification' when it is a local variable?

We had another discussion about this in May 2003.

Miles' second patch is in this message:

    Subject: Re: Bold by moving pixels problem
    Date: 18 Dec 2002 19:01:01 +0900
    From: Miles Bader <address@hidden>
    To: address@hidden
    Cc: address@hidden
    Reply-To: Miles Bader <address@hidden>
    In-Reply-To: <address@hidden>


    Robert J. Chassell                         Rattlesnake Enterprises
    http://www.rattlesnake.com                  GnuPG Key ID: 004B4AC8
    http://www.teak.cc                             address@hidden

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