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bug#7956: 24.0.50; xft:-B&H-LucidaTypewriter-normal-normal-normal-Sans-1

From: Peter Dyballa
Subject: bug#7956: 24.0.50; xft:-B&H-LucidaTypewriter-normal-normal-normal-Sans-10-*-*-*-m-60-iso10646-1 rendered to presumingly 1 pt
Date: Thu, 31 Mar 2011 19:09:39 +0200


The case seems to be resolved right now. And actually the opinion of a 1 pt font size is wrong: the cursor's size is like with a 10 pt or 12 pt font size. The effect might be better described like two differently scaled glyph masks put on top of the other. Since they don't match completely, some light (or black) can pass through them onto the screen.

Anyway, the cause seems to be that I am using fontsets built with an elder and invalid (?) syntax like here

(create-fontset-from-fontset-spec "-b&h-lucidatypewriter-medium-r- *-*-10-*-*-*-*-*-fontset-10pt_lucida_sans_typewriter" t 'noerror) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-1 '("lucidatypewriter" . "iso8859-1")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-2 '("lucidatypewriter" . "iso8859-2")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-3 '("lucidatypewriter" . "iso8859-3")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-4 '("lucidatypewriter" . "iso8859-4")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'cyrillic- iso8859-5 '("lucidatypewriter" . "iso8859-5")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'hebrew- iso8859-8 '("lucidatypewriter" . "iso8859-8")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-9 '("lucidatypewriter" . "iso8859-9")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-14 '("lucidatypewriter" . "iso8859-14")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'latin- iso8859-15 '("lucidatypewriter" . "iso8859-15")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'thai- tis620 '("lucidatypewriter" . "iso10646-1")) ; (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'georgian- ps '("bpg glaho arial" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'mule- unicode-0100-24ff '("code2000" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'mule- unicode-2500-33ff '("code2000" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucida_sans_typewriter" 'mule-unicode- e000-ffff '("code2000" . "iso10646-1"))

or there:

(create-fontset-from-fontset-spec "-b&h-lucidatypewriter-medium-r- *-*-10-*-*-*-*-*-fontset-10pt_lucidatypewriter" t 'noerror) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-1 '("lucidatypewriter" . "iso8859-1")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-2 '("lucidatypewriter" . "iso8859-2")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-3 '("lucidatypewriter" . "iso8859-3")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-4 '("lucidatypewriter" . "iso8859-4")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-9 '("lucidatypewriter" . "iso8859-9")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-14 '("lucidatypewriter" . "iso8859-14")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'latin- iso8859-15 '("lucidatypewriter" . "iso8859-15")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'mule- unicode-0100-24ff '("lucidatypewriter" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'mule- unicode-2500-33ff '("lucidatypewriter" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucidatypewriter" 'mule-unicode-e000- ffff '("lucidatypewriter" . "iso10646-1")) (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0590) (decode-char 'ucs #x05ff)) '("bpg glaho arial" . "iso10646-1")) ; Hebrew (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0600) (decode-char 'ucs #x06ff)) '("bpg glaho arial" . "iso10646-1")) ; Arabic (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x10a0) (decode-char 'ucs #x10ff)) '("bpg glaho" . "iso10646-1")) ; Georgian (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x2800) (decode-char 'ucs #x28ff)) '("code2000" . "iso10646-1")) ; Braille (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0980) (decode-char 'ucs #x09ff)) '("bangla" . "iso10646-1")) ; Bengali (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0a00) (decode-char 'ucs #x0a7f)) '("code2000" . "iso10646-1")) ; Gurmukhi (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0a80) (decode-char 'ucs #x0aff)) '("code2000" . "iso10646-1")) ; Gujarati (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0b00) (decode-char 'ucs #x0b7f)) '("code2000" . "iso10646-1")) ; Oriya (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0b80) (decode-char 'ucs #x0bff)) '("code2000" . "iso10646-1")) ; Tamil (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0c00) (decode-char 'ucs #x0c7f)) '("code2000" . "iso10646-1")) ; Telugu (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0c80) (decode-char 'ucs #x0cff)) '("code2000" . "iso10646-1")) ; Kannada (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0d00) (decode-char 'ucs #x0d7f)) '("code2000" . "iso10646-1")) ; Malayalam (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0d80) (decode-char 'ucs #x0dff)) '("akshar unicode" . "iso10646-1")) ; Sinhala (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0e00) (decode-char 'ucs #x0e7f)) '("code2000" . "iso10646-1")) ; Thai (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0e80) (decode-char 'ucs #x0eff)) '("code2000" . "iso10646-1")) ; Lao (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x0f00) (decode-char 'ucs #x0fff)) '("xtashi" . "iso10646-1")) ; Tibetan (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x1000) (decode-char 'ucs #x109f)) '("code2000" . "iso10646-1")) ; Myanmar (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x10a0) (decode-char 'ucs #x10ff)) '("everson mono unicode" . "iso10646-1")) ; Georgian (set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode-char 'ucs #x1100) (decode-char 'ucs #x11ff)) '("code2000" . "iso10646-1")) ; Hangul Jamo
(when (= 23 emacs-major-version)
(set-fontset-font "fontset-10pt_lucidatypewriter" (cons (decode- char 'ucs #x1d400) (decode-char 'ucs #x1d7ff)) '("code2001" . "iso10646-1")) ; Mathe (set-fontset-font "fontset-10pt_lucidatypewriter" '(#x1D400 . #x1D7FF) (font-spec :family "Unicode Symbols") nil)

When I don't use these fontsets the other X server does render the fonts correctly (the default server does not seem to have problems with this).

I think, it can be closed as resolved/self-produced...



To drink without thirst and to make love all the time, madam, it is only these which distinguish us from the other beasts.
                                – Beaumarchais

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