unit-agnostic line height measurement
unit-agnostic line height measurement

- Calculating the height of a single line is not so straightforward. The
"line-height" CSS property could be in units of ems, pixels, points, or
unitless. Workaround is to measure the height of a dummy wrapper element
when the text value is a small text character.
- Fixed-length truncation modified to display [[width]] characters
instead of truncating [[width]] characters.
- Updated version/license info in header.

intridea/ng-trunk8,rviscomi/trunk8,factorial-io/trunk8,factorial-io/trunk8,styson/trunk8,styson/trunk8,rviscomi/trunk8