[util] Make hb-shape err if output-format is not understood
And list supported formats.
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@ -45,6 +45,12 @@ struct output_buffer_t
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output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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else
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output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
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if (!hb_buffer_serialize_format_to_string (output_format))
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{
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fail (false, "Unknown output format `%s'; supported formats are: %s",
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options.output_format,
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g_strjoinv (" / ", (gchar**) hb_buffer_serialize_list_formats ()));
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}
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unsigned int flags = HB_BUFFER_SERIALIZE_FLAGS_DEFAULT;
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if (!format.show_glyph_names)
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