Accessing custom jbake confing properties in asciidoc -

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after time spent staring @ jbake code, figured out if declare own property in jbake.properties :

... foo=bar ...

i can reuse in files go through template engine referencing ${config.foo}. i'd have substitution working on content lvl, i.e. files written in asciidoc, living inside content directory.

is there non-trivial way achieve it? how can make templating engine proccess result of asciidoc parses engine, or make running before asciidoctor?

i found answer myself. use property substitution in asciidoc files, add following jbake.properties:

... asciidoctor.attributes.export=true foo=world ...

and reference variable in afile.adoc way:

hello {foo}!

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