On Thu, 28 Feb 2019, Procházka Lukáš Ing. wrote:
Hello,
I'm struggling with using modes to make a part of the text conditional.
Here is my code:
----
\def\b#1{\startmode[#1]}
\def\e{\stopmode}
% \enablemode[100] % For optional usage
\starttext
A
\b{100} % Should be start of some conditional text from here ...
B
\e % ... to here
\stoptext
Modes don't work that way. You can do something like this:
\define[1]\bbb
{\doifnotmode{#1}
{\grabbufferdata[dummy][bbb][eee]}}
\let\eee\relax
\enablemode[100]
\starttext
A
\bbb{100}
Inside mode 100
\eee
\bbb{101}
Inside mode 101
\eee
\stoptext
Depending on the actual use case, there might be simpler ways.
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