Summary:
these svg data format didn't have the standard.
Specify 0 ~ 100 in % unit i.e. 50%
Otherwise, 0 ~ 1 in normalized value. i.e. 0.5
Reviewers: #committers
Subscribers: cedric, #reviewers, #committers
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D7054