How a MathRun's letters are drawn (m:sty):
m:sty
"plain"
\mathrm
"bold"
\mathbf
"italic"
\mathit
"boldItalic"
\boldsymbol
Word draws letters in italic, and digits and capital Greek letters upright, unless a run has a style. A run in an alphabet other than roman is plain unless given a style, as LaTeX draws its alphabets upright.
How a MathRun's letters are drawn (
m:sty):"plain": upright, as LaTeX's\mathrm;"bold": bold and upright, as\mathbf;"italic": italic, as\mathit;"boldItalic": bold and italic, as\boldsymbol.Word draws letters in italic, and digits and capital Greek letters upright, unless a run has a style. A run in an alphabet other than roman is plain unless given a style, as LaTeX draws its alphabets upright.