A the version 0.6 for "MathML Formula" have been released at http://code.google.com/p/mathmlformula/.
The improvements are:
- implement mathml tags: ms, mspace and mpadded;
- use attributes stretchy, maxsize, and minsize for arrows;
- change fontsize --> mathsize and fontcolor --> mathcolor to conform with MathML 2.0 standard;
- implement mathbackground;
- implement the html-color-name, that is, as one of the color-name keywords defined in HTML4: aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, purple, red, silver, teal, white, and yellow