Be more careful in recognizing MathML (bnc#774921)
Be more careful in recognizing MathML (bnc#774921)

Change-Id: I82c36a3ff49f74dc674df46dcf35f8c1a991c9e2

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core