Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Notation "[ eqType of _ ]" is deprecated since mathcomp 2.0.0.

Notation sub is deprecated since mathcomp 2.0.0. Use Sub instead.

z'G' is declared opaque (Qed) but this is not fully respected inside

z_barb_z is declared opaque (Qed) but this is not fully respected

clink_at_G' is declared opaque (Qed) but this is not fully respected

clink_at_G is declared opaque (Qed) but this is not fully respected

z_comp_preimage is declared opaque (Qed) but this is not fully

z_barb_comp is declared opaque (Qed) but this is not fully respected

not_cross_edge_Walkup is declared opaque (Qed) but this is not fully