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-rw-r--r--system/gnu-unifont/README21
1 files changed, 16 insertions, 5 deletions
diff --git a/system/gnu-unifont/README b/system/gnu-unifont/README
index 1e4ed63f18448..1e7e3058f1bb7 100644
--- a/system/gnu-unifont/README
+++ b/system/gnu-unifont/README
@@ -3,9 +3,20 @@ Unicode Basic Multilinguial Plane(BMP). The BMP is the first Unicode
"plane" of 65,536(16bit) code points, and includes character encoding
for most of the world's modern scripts.
-This package installs precompiled fonts only.
+By default, the package will include precompiled versions of the font in
+TTF (TrueType), PCF (X Window bitmap) and PSF (console) formats. This can be
+changed using FONTFORMATS environment variable, which should be set to
+comma-separated list of font formats to include in the package.
-By default, the package will include TTF (TrueType), PCF (X Window bitmap)
-and PSF (console) fonts. This can be changed using FONTFORMATS environment
-variable. Its default value is "ttf,pcf,psf". For example, setting
-FONTFORMATS=pcf,psf will include only PCF and PSF fonts.
+Available formats are:
+
+ttf = TrueType
+pcf = X Window bitmap
+psf = Console fonts
+otb = OpenType Bitmap fonts, compatible with recent versions of Pango which
+ don't support PCF fonts. Fonts in this format are generated by
+ converting precompiled PCF fonts using fonttosfnt tool.
+
+For example, setting FONTFORMATS=pcf,psf will include only PCF and PSF fonts.
+If FONTFORMATS variable is not set the default value "ttf,pcf,psf" is
+assumed.