fix(html): keyword-in-heading badge + brackets in wikilink descriptions

crates/nuwiki-core/src/ast/block.rs

@@ -53,6 +53,10 @@ pub struct PreformattedNode {
     pub span: Span,
     pub content: String,
     pub language: Option<String>,
+    /// Verbatim text after the opening `{{{`, trailing whitespace trimmed
+    /// (e.g. `python` or `class="brush: python"`). vimwiki inserts this as
+    /// raw attributes on the `<pre>` tag, so we preserve it for byte-parity.
+    pub attrs: String,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]

crates/nuwiki-core/src/ast/inline.rs

@@ -17,6 +17,22 @@ pub enum Keyword {
     Stopped,
 }
 
+impl Keyword {
+    /// The literal source text of the keyword (e.g. `"TODO"`). Used both for
+    /// the rendered span and for anchor/id derivation via [`inline_text`].
+    pub fn label(self) -> &'static str {
+        match self {
+            Keyword::Todo => "TODO",
+            Keyword::Done => "DONE",
+            Keyword::Started => "STARTED",
+            Keyword::Fixme => "FIXME",
+            Keyword::Fixed => "FIXED",
+            Keyword::Xxx => "XXX",
+            Keyword::Stopped => "STOPPED",
+        }
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum InlineNode {
     Text(TextNode),
@@ -89,6 +105,7 @@ fn push_inline_text(inlines: &[InlineNode], out: &mut String) {
             InlineNode::Superscript(s) => push_inline_text(&s.children, out),
             InlineNode::Subscript(s) => push_inline_text(&s.children, out),
             InlineNode::Color(c) => push_inline_text(&c.children, out),
+            InlineNode::Keyword(k) => out.push_str(k.keyword.label()),
             InlineNode::WikiLink(w) => match &w.description {
                 Some(d) => push_inline_text(d, out),
                 None => {