Precising the unit part of rfxnum regex

src/effects.js

@@ -2,7 +2,7 @@
 
 var elemdisplay = {},
 	rfxtypes = /^(?:toggle|show|hide)$/,
-	rfxnum = /^([+\-]=)?([\d+.\-]+)(.*)$/,
+	rfxnum = /^([+\-]=)?([\d+.\-]+)([a-z%]*)$/i,
 	timerId,
 	fxAttrs = [
 		// height animations