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

NAME
       FcFontSetAdd - Add to a font set


SYNOPSIS
       #include <fontconfig/fontconfig.h>

       FcBool FcFontSetAdd (FcFontSet *s, FcPattern *font);


DESCRIPTION
       Adds  a  pattern  to a font set.  Note that the pattern is not copied before being inserted into the set.
       Returns FcFalse if the pattern cannot be inserted into the set (due  to  allocation  failure).  Otherwise
       returns FcTrue.