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docs/markdown/snippets/introspect_target_new.md

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+## New `include_directories` and `extra_args` keys for the target introspection
+
+Meson now also prints the include directories and extra compiler arguments for
+the target introspection (`meson introspect --targets`).
+
+The `include_directories` key stores a list of absolute paths and the `extra_args`
+key holds a dict of compiler arguments for each language.