NodeKind::ContainerOpen

Wire tag: containerOpen — paired-container open boundary marker.

This variant only appears in NodeRef-flavoured wire output (e.g. serialize_nodes); the structural AozoraNode::Container payload covers the wrapping construct itself.

Source examples

［＃ここから2字下げ］     <- ContainerOpen
indented body
［＃ここで字下げ終わり］   <- ContainerClose

Rendered HTML

The default HTML renderer routes the open / close pair through visit_container_open / visit_container_close and emits the opening <div class="aozora-container-..."> wrapping the body.

Serialize output

Round-trips together with the matching close to the ［＃ここから…］...［＃ここで…終わり］ form.

AST shape

NodeRef::BlockOpen(ContainerKind) — see ContainerKind.

When emitted

Phase 2 pairs the open / close brackets; Phase 3’s normalised text emits a BlockOpen PUA sentinel at the position of the opener so the registry can dispatch the open event during walking.

Diagnostics

unclosed_bracket if the open never finds a matching close.

Related kinds

• ContainerClose — paired close-side counterpart.
• Container — the structural payload variant.