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FcCharSetMerge(3)                                            FcCharSetMerge(3)

       FcCharSetMerge - Merge charsets

       #include <fontconfig.h>

       FcBool FcCharSetMerge(FcCharSet *a);
       (const FcCharSet *b);
       (FcBool *changed);

       Adds  all  chars  in b to a.  In other words, this is an in-place version of FcCharSetUnion.  If changed is not
       NULL, then it returns whether any new chars from b were added to a.  Returns FcFalse on failure, either when  a
       is a constant set or from running out of memory.

       Fontconfig version 2.8.0

                               18 November 2009              FcCharSetMerge(3)