diff options
Diffstat (limited to 'doc/context/sources/general/manuals/luametatex/luametatex-math.tex')
| -rw-r--r-- | doc/context/sources/general/manuals/luametatex/luametatex-math.tex | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-math.tex b/doc/context/sources/general/manuals/luametatex/luametatex-math.tex index aff3209b2..7d5fa0808 100644 --- a/doc/context/sources/general/manuals/luametatex/luametatex-math.tex +++ b/doc/context/sources/general/manuals/luametatex/luametatex-math.tex @@ -752,7 +752,7 @@ front. \startbuffer $ - x \Usubscript {-} + x \Usubscript {-} \frozen\Umathsubshiftdown\textstyle 0pt x \Usubscript {0} {\frozen\Umathsubshiftdown\textstyle 5pt x \Usubscript {5}} x \Usubscript {0} @@ -777,16 +777,13 @@ unprocessed math list. The result looks as follows: \blank \getbuffer \blank -\subsection{Checking a state with \lpr {Umathparameter}} +\subsection{Checking a state with \lpr {ifmathparameter}} -When you adapt math parameters it might make sense to see if they are set at -all. When a parameter is unset its value has the maximum dimension value and -you might for instance mistakenly multiply that value to open up things a bit, -which gives unexpected side effects. For that reason there is a convenient -checker: \lpr {Umathparameter}. When followed by a valid parameter it expands -to a state number: - -: 0=zero, 1=set, 2=unset (les stracing clutter this way) +When you adapt math parameters it might make sense to see if they are set at all. +When a parameter is unset its value has the maximum dimension value and you might +for instance mistakenly multiply that value to open up things a bit, which gives +unexpected side effects. For that reason there is a convenient checker: \lpr +{ifmathparameter}. This test primitive behaves like an \prm {ifcase}, with: \starttabulate[|c|l|] \DB value \BC meaning \NC \NR |