diff options
Diffstat (limited to 'doc/context/sources/general/manuals/math/math-notdone.tex')
| -rw-r--r-- | doc/context/sources/general/manuals/math/math-notdone.tex | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/doc/context/sources/general/manuals/math/math-notdone.tex b/doc/context/sources/general/manuals/math/math-notdone.tex index 757cebbe2..9cb5c8027 100644 --- a/doc/context/sources/general/manuals/math/math-notdone.tex +++ b/doc/context/sources/general/manuals/math/math-notdone.tex @@ -9,7 +9,7 @@ \startchapter[title=Why we don't do this] The \TEX\ engine has two math modes: inline and display. What exactly happens -before we do that depends on what mode we are in. +before we enter math depends on what mode we are in. \startitemize \startitem @@ -25,7 +25,7 @@ before we do that depends on what mode we are in. indentation and everything that \type {\everypar} likes to inject. Inline math then stays inline but display math starts out with flushing the current paragraph and that happens to be the state, indentation and - everything else injected at the beginning. Often nothing is sees, just + everything else injected at the beginning. Often nothing is seen, just an empty line sits there. \stopitem \startitem @@ -35,7 +35,7 @@ before we do that depends on what mode we are in. \stopitemize Especially the second case is tricky. The \quote {empty} line is placed with -proper \type {\parskip}, \type {\parindent} and whatever. That can end up with a +proper \typ {\parskip}, \typ {\parindent} and whatever. That can end up with a lot of supposedly whitespace of which is not really clear (for the user) what comes from where: interline space, whitespace, line height, display spacing, etc. To that you can add that empty lines are special themselves: in \MKII\ we relax @@ -43,8 +43,8 @@ To that you can add that empty lines are special themselves: in \MKII\ we relax \LUAMETATEX\ has no checks at all. \footnote {The same can be told about \type {\outer}.} -Before We show some examples of this we have to make clear that \CONTEXT\ users -don't do this have to worry about all this. We don't follow the (Plain and +Before we show some examples of this we have to make clear that \CONTEXT\ users +don't have to worry about all this. We don't follow the (Plain and \LATEX) \AMS\ policy of \quotation {no empty lines before display math} and \quotation {no empty lines in display math}. We don't even use the display skip parameters and we do compensate for these empty line issues. The basics haven't @@ -112,9 +112,9 @@ make sure that we operate in regular \TEX\ mode, the way other macro packages do First we show what we get with \typ {\mathdisplayskipmode 1}. This makes the engine behave like other engines. We don't show what we get with \typ -{\mathdisplayskipmode 2} where zero skips are ignored but we don't have these -here. Last we show what we get with \typ {\mathdisplayskipmode 3}. In this -example the math specific skips are completely ignored. +{\mathdisplayskipmode 2} where zero skips are ignored but we don't have these. +Last we show what we get with \typ {\mathdisplayskipmode 3}. Here the math +specific skips are completely ignored. In both shown cases you will notice that the \type {\parskip} and \type {\baselineskip} interfere which in turn demonstrates why in \CONTEXT\ we always @@ -134,6 +134,13 @@ macro packages will use it no time will be wasted on this. {\mathdisplayskipmode 1 \getbuffer} {\mathdisplayskipmode 3 \getbuffer} + +% \mathdisplaymode 0 +% before \par $$ \vadjust {\bf post 1} \vadjust {\bf post 2} x_2 \vadjust pre {\bf pre} $$ \par after \blank[3*line] +% before \par $$ \vadjust {\bf post 1} \vadjust {\bf post 2} x_2 \vadjust pre {\bf pre} $$ \par after \blank[3*line] +% before \par $ \vadjust {\bf post 1} \vadjust {\bf post 2} x_3 \vadjust pre {\bf pre} $ \par after \blank[3*line] +% before \par $\displaystyle \vadjust {\bf post 1} \vadjust {\bf post 2} x_3 \vadjust pre {\bf pre} $ \par after \blank[3*line] + \stopchapter \stopcomponent |