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Specify that extending a grammar doesn't inherit the startcat

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Inari Listenmaa
2025-02-20 20:52:21 +01:00
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doc/tutorial/gf-tutorial.t2t
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@@ -1739,6 +1739,13 @@ A new module can **extend** an old one:
Pizza : Kind ; Pizza : Kind ;
} }
``` ```
Note that the extended grammar doesn't inherit the start
category from the grammar it extends, so if you want to
generate sentences with this grammar, you'll have to either
add a startcat (e.g. ``flags startcat = Question ;``),
or in the GF shell, specify the category to ``generate_random`` or ``geneate_trees``
(e.g. ``gr -cat=Comment`` or ``gt -cat=Question``).
Parallel to the abstract syntax, extensions can Parallel to the abstract syntax, extensions can
be built for concrete syntaxes: be built for concrete syntaxes:
``` ```