+%%%%%%%% \g_ltj_fontspec_scale_fp
+%% Default scale value for jfont.
+\group_begin:
+\fontsize{10}{10}\selectfont
+\fp_gset:Nn \g_ltj_fontspec_scale_fp {\zw / 10}
+\group_end:
+
+%%%%%%%% Internal control sequences
+%% Each CS is ltj_fontspec version that corresponds to original CS of fontspec.