Can xyzzy enter the same content in multiple locations at the same time?

We have css.
The following emmet sub-features are similar:

Although separated by the development of tabstop functionality,
As a normal multi-cursor feature, it is not available because it cannot be specified with a mouse.

text editor with emmet [xyzy]|SCAITY
http://edutainment-fun.com/hidemaru/xyzzy/emmet%E3%82%82%E4%BD%BF%E3%81%88%E3%82%8B%E3%83%86%E3%82%AD%E3%82%B9%E3%83% 88% E3% 82% A8% E3% 87% E3% 82% E3% E3% 82% BF% E3% 83% BC% E3% 80% 90xyzzy% E3% 80% 91_2827.html#i-13

Subfunctions are implemented independently.
◇emmet-reflecting-css-value

before rewriting when vendor prefixes have similar multi-line configurations The command takes effect on the tab stop.It doesn't work after you change it.