Animation of tref
Animation of specific attributes of the tref element.
The tref attribute rotate changes from -30 to 30 in 5s for the top tref.
It is just one value given (top tref), this has to be applied to all glyphs.
The direction has to be the same as for the transform type
rotate. 30 degrees means roughly the top of one glyph is shifted to the
right. The second tref has several values for the rotate attribute.
The animation for the second tref is repeated.
Initial and final positions are given in gray.
ref!
tref!?
tref!?
tref!?
tref!?
t?
t?