Re: modes questions

[Hans Hagen <pragma@wxs.nl>]

Taco Hoekwater wrote:
> Hans Hagen wrote:
>>> (1.2) Is there a way to call the modelist and submit it to conditional
>>> testing within ConTeXt ? For example, to lookup (true/false) the
>>> presence of modes containing/starting with (an) alphannumeric

\doifinstring

>>> string(s) ?
>> \doifmodeelse{somemode} { } { } etc etc etc
> 
> This presumes that you actually know the list of enabled modes, so
> I think a commalist of "set modes" would be useful as well. Modules
> could use that to set up keyword-based behaviours.

there is already such a mechanism (thomas uses it in his module)

maybe at some point in mkiv we can provide the list because then i can 
use lua for keeping track of things; maintaining a comma separated list 
is tex is not that fast (and i use modes a lot to control styles that 
need a high performance); think of

\enablemode[a,b,c]

and a large list of enabled modes that we need to check for already set 
nodes (in lua it's just a hash and a the fill list a list-of-keys)

btw, this would make mkiv incompatible with mkii

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                                           Hans Hagen | PRAGMA ADE
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