Module mlist 

Converting math lists to horizontal lists (TeX: The Program §699–§767, with e-TeX’s \middle) the way LuaTeX does it for traditional (TFM) fonts.

LuaTeX keeps TeX82’s algorithm but takes the font-dependent values from the \Umath… parameters of the current style (see crate::mathparams). Observed differences from TeX82, all established with black-box tests:

• glyphs made from math characters are protected (subtype 256), so that the node processing of an enclosing box leaves them alone;
• italic corrections are kern nodes of subtype “italic”, the other kerns made here are font kerns;
• a missing character from an undefined family is reported each time it is fetched (the field is not reset to empty);
• a null delimiter of a \left/\right fence is not shifted to the axis.

Structs

MathState

The state of the conversion (cur_style, cur_size, cur_mu).

Enums

NoadType

The TeX82 type of a noad, for the two passes.

Constants

PROTECTED_GLYPH

Glyph subtype of characters made by mlist_to_hlist.

Functions

style_size

The size belonging to a style.