The %PANGO_GLYPH_EMPTY macro represents a #PangoGlyph value that has a
special meaning, which is a zero-width empty glyph. This is useful for
example in shaper modules, to use as the glyph for various zero-width
Unicode characters (those passing pango_is_zero_width()).
The %PANGO_GLYPH_EMPTY macro represents a #PangoGlyph value that has a special meaning, which is a zero-width empty glyph. This is useful for example in shaper modules, to use as the glyph for various zero-width Unicode characters (those passing pango_is_zero_width()).