Provided by: libfontconfig1-dev_2.13.1-2ubuntu3_amd64 bug

NAME
       FcLangSetContains - check langset subset relation


SYNOPSIS
       #include <fontconfig/fontconfig.h>

       FcBool FcLangSetContains (const FcLangSet *ls_a, const FcLangSet *ls_b);


DESCRIPTION
       FcLangSetContains  returns FcTrue if ls_a contains every language in ls_b. ls_a will 'contain' a language
       from ls_b if ls_a has exactly the language, or either the language or ls_a has no territory.

Fontconfig 2.13.1                                 06 April 2020                             FcLangSetContains(3)