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Diffstat (limited to 'doc/context/sources/general/manuals/luatex/luatex-math.tex')
| -rw-r--r-- | doc/context/sources/general/manuals/luatex/luatex-math.tex | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/doc/context/sources/general/manuals/luatex/luatex-math.tex b/doc/context/sources/general/manuals/luatex/luatex-math.tex index a0e3936c7..6b037f735 100644 --- a/doc/context/sources/general/manuals/luatex/luatex-math.tex +++ b/doc/context/sources/general/manuals/luatex/luatex-math.tex @@ -194,18 +194,19 @@ The following new primitives are compatible with \XETEX: % somewhat fuzzy: \starttabulate[|l|l|r|c|l|r|] -\DB primitive \BC min \BC max \BC \kern 2em \BC min \BC max \NC \NR -\NC \type {\Umathchardef} \NC 0+0+0 \NC 7+FF+10FFFF\rlap{\high{1}} \NC \NC \NC \NC \NR -\NC \type {\Umathcharnumdef}\rlap{\high{5}} \NC -80000000 \NC 7FFFFFFF\rlap{\high{3}} \NC \NC \NC \NC \NR -\NC \type {\Umathcode} \NC 0 \NC 10FFFF \NC = \NC 0+0+0 \NC 7+FF+10FFFF\rlap{\high{1}} \NC \NR -\NC \type {\Udelcode} \NC 0 \NC 10FFFF \NC = \NC 0+0 \NC FF+10FFFF\rlap{\high{2}} \NC \NR -\NC \type {\Umathchar} \NC 0+0+0 \NC 7+FF+10FFFF \NC \NC \NC \NC \NR -\NC \type {\Umathaccent} \NC 0+0+0 \NC 7+FF+10FFFF\rlap{\high{2,4}} \NC \NC \NC \NC \NR -\NC \type {\Udelimiter} \NC 0+0+0 \NC 7+FF+10FFFF\rlap{\high{2}} \NC \NC \NC \NC \NR -\NC \type {\Uradical} \NC 0+0 \NC FF+10FFFF\rlap{\high{2}} \NC \NC \NC \NC \NR -\NC \type {\Umathcharnum} \NC -80000000 \NC 7FFFFFFF\rlap{\high{3}} \NC \NC \NC \NC \NR -\NC \type {\Umathcodenum} \NC 0 \NC 10FFFF \NC = \NC -80000000 \NC 7FFFFFFF\rlap{\high{3}} \NC \NR -\NC \type {\Udelcodenum} \NC 0 \NC 10FFFF \NC = \NC -80000000 \NC 7FFFFFFF\rlap{\high{3}} \NC \NR +\DB primitive \BC min \BC max \BC \kern 2em \BC min \BC max \NC \NR +\TB[small,samepage] +\NC \type {\Umathchardef} \NC 0+0+0 \NC 7+FF+10FFFF \NC \NC \NC \NC \NR +\NC \type {\Umathcharnumdef}\rlap{\high{5}} \NC -80000000 \NC 7FFFFFFF \NC \NC \NC \NC \NR +\NC \type {\Umathcode} \NC 0 \NC 10FFFF \NC = \NC 0+0+0 \NC 7+FF+10FFFF \NC \NR +\NC \type {\Udelcode} \NC 0 \NC 10FFFF \NC = \NC 0+0 \NC FF+10FFFF \NC \NR +\NC \type {\Umathchar} \NC 0+0+0 \NC 7+FF+10FFFF \NC \NC \NC \NC \NR +\NC \type {\Umathaccent} \NC 0+0+0 \NC 7+FF+10FFFF \NC \NC \NC \NC \NR +\NC \type {\Udelimiter} \NC 0+0+0 \NC 7+FF+10FFFF \NC \NC \NC \NC \NR +\NC \type {\Uradical} \NC 0+0 \NC FF+10FFFF \NC \NC \NC \NC \NR +\NC \type {\Umathcharnum} \NC -80000000 \NC 7FFFFFFF \NC \NC \NC \NC \NR +\NC \type {\Umathcodenum} \NC 0 \NC 10FFFF \NC = \NC -80000000 \NC 7FFFFFFF \NC \NR +\NC \type {\Udelcodenum} \NC 0 \NC 10FFFF \NC = \NC -80000000 \NC 7FFFFFFF \NC \NR \stoptabulate Specifications typically look like: @@ -215,29 +216,27 @@ Specifications typically look like: \Umathcode 123="1"0"789 \stoptyping -Note 1: The new primitives that deal with delimiter|-|style objects do not set up a +The new primitives that deal with delimiter|-|style objects do not set up a \quote {large family}. Selecting a suitable size for display purposes is expected to be dealt with by the font via the \type {\Umathoperatorsize} parameter (more information can be found in a following section). -Note 2: For these three primitives, all information is packed into a single -signed integer. For the first two (\type {\Umathcharnum} and \type -{\Umathcodenum}), the lowest 21 bits are the character code, the 3 bits above -that represent the math class, and the family data is kept in the topmost bits -(This means that the values for math families 128--255 are actually negative). -For \type {\Udelcodenum} there is no math class. The math family information is -stored in the bits directly on top of the character code. Using these three -commands is not as natural as using the two- and three|-|value commands, so -unless you know exactly what you are doing and absolutely require the speedup -resulting from the faster input scanning, it is better to use the verbose -commands instead. - -Note 3: The \type {\Umathaccent} command accepts optional keywords to control -various details regarding math accents. See \in {section} [mathacc] below for -details. - -New primitives that exist in \LUATEX\ only (all of these will be explained -in following sections): +For some of these primitives, all information is packed into a single signed +integer. For the first two (\type {\Umathcharnum} and \type {\Umathcodenum}), the +lowest 21 bits are the character code, the 3 bits above that represent the math +class, and the family data is kept in the topmost bits This means that the values +for math families 128--255 are actually negative. For \type {\Udelcodenum} there +is no math class. The math family information is stored in the bits directly on +top of the character code. Using these three commands is not as natural as using +the two- and three|-|value commands, so unless you know exactly what you are +doing and absolutely require the speedup resulting from the faster input +scanning, it is better to use the verbose commands instead. + +The \type {\Umathaccent} command accepts optional keywords to control various +details regarding math accents. See \in {section} [mathacc] below for details. + +There are more new primitives and all of these will be explained in following +sections: \starttabulate[|l|l|] \DB primitive \BC value range (in hex) \NC \NR @@ -295,6 +294,8 @@ we get this: \startbuffer[demo] \starttabulate +\DB style \BC example \NC \NR +\TB[small,samepage] \NC default \NC $b_{x=xx}^{x=xx}$ \NC \NR \NC script \NC $b_{\scriptstyle x=xx}^{\scriptstyle x=xx}$ \NC \NR \NC crampedscript \NC $b_{\crampedscriptstyle x=xx}^{\crampedscriptstyle x=xx}$ \NC \NR @@ -446,13 +447,12 @@ Besides the parameters below, \LUATEX\ also looks at the \quote {space} font dimension parameter. For math fonts, this should be set to zero. \def\MathLine#1#2#3#4#5% - {\TB - \NC \llap{\high{\tx #2\enspace}}\ttbf \string #1 \NC #5 \NC \NR - \NC \tx #3 \NC #4 \NC \NR} + {\TB[small,samepage] + \NC \llap{\high{\tx #2\enspace}}\ttbf \string #1 \NC \tt #5 \NC \NR + \NC \tx #3 \NC \tt #4 \NC \NR} \starttabulate[|l|l|] \DB variable / style \BC tfm / opentype \NC \NR -\TB[small,samepage] \MathLine{\Umathaxis} {} {} {AxisHeight} {axis_height} \MathLine{\Umathoperatorsize} {6} {D, D'} {DisplayOperatorMinHeight} {\emdash} \MathLine{\Umathfractiondelsize} {9} {D, D'} {FractionDelimiterDisplayStyleSize} {delim1} |