2 Inset 'Xyz' is implemented by 'MathXyzInset' in 'math_xyzinset.[hC]'
12 Dim Char Symbol, Space, ...
13 (thing that need (for things formerly
14 the width_/ascent_ known as characters)
25 Grid Decoration Delim Frac Macro Root Script Sqrt
30 (base for eqnarray/align/...)