sax: Remove useless visibility declarations.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
saxophonit: `lexer.nit` is handmade.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
saxophonit: Remove unused variables.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
saxophonit: Remove useless type declarations.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
saxophonit: Add missing documentation.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Remove a unused variable.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Remove useless type declarations.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Document `ClassDef`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Document `Location`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Add missing documentation.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Quiet warning about the old-style `init`.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>