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2074723f51
Add a node_marker class constant to the Automata class to replace the
hardcoded "{node" string literal used throughout the DOT file parsing
logic. This follows the existing pattern established by the init_marker
and invalid_state_str class constants in the same class.
The "{node" string is used as a marker to identify node declaration
lines in DOT files during state variable extraction and cursor
positioning. Extracting it to a named constant improves code
maintainability and makes the marker's purpose explicit.
Signed-off-by: Wander Lairson Costa <wander@redhat.com>
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/r/20260223162407.147003-17-wander@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>