diff options
Diffstat (limited to 'macros/luatex/optex/base/math-macros.opm')
| -rw-r--r-- | macros/luatex/optex/base/math-macros.opm | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/macros/luatex/optex/base/math-macros.opm b/macros/luatex/optex/base/math-macros.opm index 6189dec1c7..70983fbda5 100644 --- a/macros/luatex/optex/base/math-macros.opm +++ b/macros/luatex/optex/base/math-macros.opm @@ -21,7 +21,7 @@ `\<word>``_<letter><nonletter>` to `\<word> _<letter><nonletter>` at input processor level. The \`\mathsboff` deactivates it. You can ask by \`\_ifmathsb` if this feature is activated or deactivated. - By default, is is activated in the `\everyjob`. + By default, is is activated in the `\everyjob`, see section~\ref[init]. \_cod ----------------------------- \catcode`\_ = 8 \let\sb = _ @@ -32,14 +32,14 @@ \_newifi\_ifmathsb \_mathsbfalse \_def \_mathsbon {% \_directlua{ - callback.register("process_input_buffer", + callback.register_x("process_input_buffer", function (str) return string.gsub(str.." ", "(\_nbb[a-zA-Z]+)_([a-zA-Z]?[^_a-zA-Z])", "\_pcent 1 _\_pcent 2") end) }% \_global\_mathsbtrue } \_def \_mathsboff {% - \_directlua{ callback.register("process_input_buffer", nil) }% + \_directlua{ callback.register_x("process_input_buffer", nil) }% \_global \_mathsbfalse } \_public \mathsboff \mathsbon ; @@ -467,10 +467,14 @@ \_protected\_def\widehat{\_mathaccent"0362 } \_doc ----------------------------- - \`\overrightarrow`, \`\overleftarrow`, \`\overbrace`, \`\underbrace`, \`\skew` macros. + \`\_math`, \`\skew`, + \`\overrightarrow`, \`\overleftarrow`, \`\overbrace`, \`\underbrace` macros. + The last four are redefined when Unicode math is loaded. \_cod ----------------------------- \_def\_math{\_mathsurround0pt } +\_protected\_def\_skew #1#2#3{{\_muskip0=#1mu\_divide\_muskip0=by2 \_mkern\_muskip0 + #2{\_mkern-\_muskip0{#3}\_mkern\_muskip0}\_mkern-\_muskip0}{}} \_protected\_def\_overrightarrow #1{\_vbox{\_math\_ialign{##\_crcr \_rightarrowfill\_crcr\_noalign{\_kern-.1em \_nointerlineskip} $\_hfil\_displaystyle{#1}\_hfil$\_crcr}}} @@ -484,8 +488,6 @@ \_protected\_def\_underbrace #1{\_mathop{\_vtop{\_math\_ialign{##\_crcr $\_hfil\_displaystyle{#1}\_hfil$\_crcr\_noalign{\_kern.3em \_nointerlineskip} \_upbracefill\_crcr\_noalign{\_kern.3em}}}}\_limits} -\_protected\_def\_skew #1#2#3{{\_muskip0=#1mu\_divide\_muskip0=by2 \_mkern\_muskip0 - #2{\_mkern-\_muskip0{#3}\_mkern\_muskip0}\_mkern-\_muskip0}{}} \_public \overrightarrow \overleftarrow \overbrace \underbrace \skew ; |