On Mon, Jun 13, 2011 at 3:52 PM, Steffen Wolfrum <cont...@st.estfiles.de> wrote:
>> Where is the difference ?
>>
>> \starttext
>>
>>
>> \showframe
>>
>> \define[1]\ThisHelps {\handletokens#1\with{\hskip 0pt plus
>> .1pt\firstofoneargument}}
>>
>> Test text test text\ThisHelps
>> {9769387937933hhgiuiuziuziduzid93739837fhieuhifeuhfeiu39739837938398zfhfdkuhfiufhz398739837r98z379dihhfiu}
>>
>> \define[1]\ThisHelpsLuigi{%
>> \startluacode
>> s='#1'
>> s= string.gsub(s,'(.)',"\%1\\hskip0sp")
>> % maybe only some chars...
>> %s= string.gsub(s,'[=/]',"\%1\\hskip0sp")
>> context(s)
>> \stopluacode}
>>
>> Test text test text\ThisHelpsLuigi
>> {9769387937933hhgiuiuziuziduzid93739837fhieuhifeuhfeiu39739837938398zfhfdkuhfiufhz398739837r98z379dihhfiu}
>>
>> \stoptext
>
>
> Just my "greenness" with luacode ...
>
> I didn't expect that it could be wrapped so easily in an handy \define
> command:
> context(s) is wrapped in start/stopluacode is wrapped in
> \define[1]\LuigiHelps{...}
The key point is
% maybe only some chars...
%s= string.gsub(s,'[=/]',"\%1\\hskip0sp")
With '[=/]'
you define a set of chars (only '=' and '/' in this example)
so that only '=' => '=\hskip0sp'
and
'/' => '/\hskip0sp'
i.e. breaks appear only on '=' and '/'.
It' possible to define whatever char you want, but you must pay attention to '%'
'#' etc. (as you do with \catcode)
--
luigi
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