In message "Re: string.c question"
    on Sun, 14 Dec 2008 07:29:17 +0900, Tim Hunter <TimHunter / nc.rr.com> writes:

|How does rb_str_cat differ from rb_str_buf_cat?

rb_str_buf_cat() is a function to use with strings created by
rb_str_buf_new().  If you're not sure use rb_str_cat().

							matz.