Am 26.02.2025 um 13:20 schrieb autumnus:
I designed a new command. But I found a problem.
We have the command [\useinterlinespaceparameter],
I thought it would work like \usealignparameter or \usebodyfontparameter,
But in the actual testing process, the command does not seem to work at all.
% Therefore, I used \dosetupcheckedinterlinespace.
In addition,
I found that there is also [\useinterlinespaceparameter] in the footnote.
it also can't work.
Although we can make additional settings through \setups.
Or maybe is there something wrong with [\useinterlinespaceparameter]?
[...]
\tolerant\protected\def\userlanguage#*[#1]#*[#2]#*%
{...}
You don't need #* before the first and after the last argument, only
between the optional (or mandatory) argument to permit spaces.
The \useinterlinespaceparameter command works when you pass a named
interlinespace instance, which is created with \defineinterlinespace.
\unprotect
\installnamespace {userlanguage}
\installcommandhandler \????userlanguage {userlanguage} \????userlanguage
\protect
\setupuserlanguage [en] [interlinespace=english]
\setupuserlanguage [cn] [interlinespace=chinese]
\defineinterlinespace [english] [line=2.4ex]
\defineinterlinespace [chinese] [line=4.0ex]
\starttext
\samplefile{lorem}
\cdef\currentuserlanguage{en}
\useinterlinespaceparameter\userlanguageparameter
\samplefile{lorem}
\cdef\currentuserlanguage{cn}
\useinterlinespaceparameter\userlanguageparameter
\samplefile{lorem}
\stoptext
Wolfgang
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