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-rw-r--r--macros/optex/base/fonts-preload.opm39
1 files changed, 29 insertions, 10 deletions
diff --git a/macros/optex/base/fonts-preload.opm b/macros/optex/base/fonts-preload.opm
index d56d5c0a78..8562da786c 100644
--- a/macros/optex/base/fonts-preload.opm
+++ b/macros/optex/base/fonts-preload.opm
@@ -1,24 +1,32 @@
%% This is part of the OpTeX project, see http://petr.olsak.net/optex
-\_codedecl \tenrm {Latin Modern fonts (EC) preloaded <2020-01-23>} % preloaded in format
+\_codedecl \tenrm {Latin Modern fonts (EC) preloaded <2022-02-12>} % preloaded in format
+
+\_ifx\fontspreload\_relax
+ \_let\_tenrm=\_nullfont \_let\_tenbf=\_nullfont \_let\_tenit=\_nullfont
+ \_let\_tenbi=\_nullfont \_let\_tentt=\_nullfont
+\_else
+ % Only few text fonts are preloaded:
+ % allow missing fonts during format generation
+ \_suppressfontnotfounderror=1
+ \_font\_tenrm=ec-lmr10 % roman text
+ \_font\_tenbf=ec-lmbx10 % boldface extended
+ \_font\_tenit=ec-lmri10 % text italic
+ \_font\_tenbi=ec-lmbxi10 % bold italic
+ \_font\_tentt=ec-lmtt10 % typewriter
+ \_suppressfontnotfounderror=0
+\_fi
-% Only few text fonts are preloaded:
-
-\_font\_tenrm=ec-lmr10 % roman text
-\_font\_tenbf=ec-lmbx10 % boldface extended
-\_font\_tenit=ec-lmri10 % text italic
-\_font\_tenbi=ec-lmbxi10 % bold italic
-\_font\_tentt=ec-lmtt10 % typewriter
\_tenrm
\_public \tenrm \tenbf \tenit \tenbi \tentt ;
\_endcode %---------------------------------------------------
-The format in lua\TeX/ can download only non-Unicode fonts. Latin Modern EC is
+The format in Lua\TeX/ can download only non-Unicode fonts. Latin Modern EC is
loaded here. These fonts are totally unusable in LuaTeX when languages with out
of ASCII or ISO-8859-1 alphabets are used (for example Czech). We load only
-a few 8bit fonts here especially for simple testing the format.
+a few 8bit fonts here especially for simple testing of the format.
But, if the user needs to do more serious work, he/she can
use `\fontfam` macro to load a selected font family of Unicode fonts.
@@ -34,3 +42,14 @@ are declared as `\public` here but only for backward compatibility. We don't
use them in the Font Selection System. But the protected versions of these
control sequences are used in the Font Selection System.
+If the `*.tfm` files are missing during format generation then the format is
+succesfully generated without any pre-loaded fonts. It doesn't matter if each
+document processed by \OpTeX/ declares Unicode fonts. You can create such
+fonts-less format anyway if you set \`\fontspreload` to `\relax` before
+`\input optex.ini`, i.e.:
+`luatex -ini '\let\fontspreload=\relax \input optex.ini'`
+
+\_endinput
+
+2022-02-12: \fontspreload added
+2020-01-23: released