set_custom_quoting  285 gnulib-tests/test-quotearg-simple.c       set_custom_quoting (NULL,
set_custom_quoting  871 lib/quotearg.c   set_custom_quoting (&o, left_quote, right_quote);
set_custom_quoting  278 lib/quotearg.h void set_custom_quoting (struct quoting_options *o,