diff options
Diffstat (limited to 'source/luametatex/source/tex/texmath.c')
| -rw-r--r-- | source/luametatex/source/tex/texmath.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/source/luametatex/source/tex/texmath.c b/source/luametatex/source/tex/texmath.c index 1424e5e03..327e8e6a3 100644 --- a/source/luametatex/source/tex/texmath.c +++ b/source/luametatex/source/tex/texmath.c @@ -164,6 +164,14 @@ void tex_math_copy_char_data(halfword target, halfword source, int wipelist) } } +static inline void tex_math_set_scripts_options(halfword n) +{ + switch (math_scripts_mode_par) { + case 1: noad_options(n) |= noad_option_fixed_super_or_sub_script; break; + case 2: noad_options(n) |= noad_option_fixed_super_and_sub_script; break; + } +} + // static const math_styles map_cramped_style[] = { /*tex cramp the style */ // cramped_display_style, // cramped_display_style, @@ -2004,6 +2012,7 @@ static void tex_aux_append_math_char(mathcodeval mval, mathdictval dval, int aut math_kernel_node_set_option(q, math_kernel_no_italic_correction); } node_subtype(p) = tex_aux_set_math_char(q, &mval, &dval); + tex_math_set_scripts_options(p); tex_tail_append(p); } } @@ -2420,6 +2429,7 @@ static void tex_aux_math_math_component(halfword target, int append) void tex_run_math_math_component(void) { halfword n = tex_new_node(simple_noad, ordinary_noad_subtype); + tex_math_set_scripts_options(n); tex_aux_math_math_component(n, 1); } @@ -2472,6 +2482,9 @@ void tex_run_math_modifier(void) noad_options(tail) |= noad_option_void; break; case source_modifier_code: + if (tex_scan_keyword("nucleus")) { + noad_options(tail) |= noad_option_source_on_nucleus; + } noad_source(tail) = tex_scan_int(0, NULL); break; case openup_height_modifier_code: @@ -2606,7 +2619,7 @@ static void tex_aux_scan_delimiter(halfword target, int code, int class) void tex_run_math_radical(void) { halfword code = cur_chr; - halfword options = 0; + fullword options = 0; halfword radical = tex_new_node(radical_noad, (quarterword) code); halfword style = yet_unset_math_style; halfword variant = 0; /* quad, harmless */ @@ -3437,7 +3450,7 @@ void tex_run_math_fraction(void) halfword autostyle = tex_math_style_variant(cur_list.math_style, math_parameter_fraction_variant); halfword userstyle = -1; halfword attrlist = null; - halfword options = 0; + fullword options = 0; halfword class = fraction_noad_subtype; halfword rulethickness = preset_rule_thickness; int ruledone = 0; @@ -3846,7 +3859,7 @@ void tex_run_math_fence(void) scaled dp = 0; scaled top = 0; scaled bottom = 0; - halfword options = 0; + fullword options = 0; halfword mainclass = unset_noad_class; halfword leftclass = unset_noad_class; halfword rightclass = unset_noad_class; @@ -4549,7 +4562,7 @@ static void tex_aux_finish_displayed_math(int atleft, halfword eqnumber, halfwor } /*tex -* + A |math_node|, which occurs only in horizontal lists, appears before and after mathematical formulas. The |subtype| field is |before| before the formula and |after| after it. There is a |surround| field, which represents the amount of surrounding space inserted by |\mathsurround|. |