Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 bug

NAME

       FcCharSetAddChar - Add a character to a charset

SYNOPSIS

       #include <fontconfig/fontconfig.h>

       FcBool FcCharSetAddChar (FcCharSet *fcs, FcChar32 ucs4);

DESCRIPTION

       FcCharSetAddChar  adds a single Unicode char to the set, returning FcFalse on failure, either as a result
       of a constant set or from running out of memory.