$ make tests
....
Test 26... FAIL
TeXZilla.toMathMLString, unexpected result:
Actual: '<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mtext> x y </mtext><annotation encoding="TeX">\\mtext{ x y }</annotation></semantics></math>'
Expected: '<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mtext> x y </mtext><annotation encoding="TeX">\\mtext{ x y }</annotation></semantics></math>'
...
This depends of #31