diff --git a/_repl.ts b/_repl.ts
index 620dbcb..0b0fc7b 100644
--- a/_repl.ts
+++ b/_repl.ts
@@ -1,134 +1,9 @@
-import { align, embed, indent, undent } from "@okikio/undent";
-
-// · = space (shown explicitly to make indentation visible)
-// 1. Core — strip structural indent, keep relative indent
-// without undent
-console.log(`
-  Hello, world!
-    indented deeper
-  back to baseline
-`);
-//
-// ··Hello,·world!
-// ····indented·deeper
-// ··back·to·baseline
-//
-
-// with undent
-console.log(undent`
-  Hello, world!
-    indented deeper
-  back to baseline
-`);
-// Hello,·world!
-// ··indented·deeper
-// back·to·baseline
-
-// 2. align() — multi-line values stay at their insertion column
-const items = "- alpha\n- beta\n- gamma";
-// without align()
-console.log(undent`
-  list:
-    ${items}
-  end
-`);
-// list:
-// ··- alpha
-// - beta       ← snaps to column 0
-// - gamma
-// end
-
-// with align()
-console.log(undent`
-  list:
-    ${align(items)}
-  end
-`);
-// list:
-// ··- alpha
-// ··- beta     ← stays at insertion column
-// ··- gamma
-// end
-
-// 3. embed() — strip a value's own indent, then align it
-const sql = `
-    SELECT id, name
-    FROM   users
-    WHERE  active = true
-`;
-// without embed()
-console.log(undent`
-  query:
-    ${sql}
-`);
-// query:
-// ··
-// ····SELECT·id,·name   ← baked-in indent bleeds through
-// ····FROM···users
-// ····WHERE··active·=·true
-//
-
-// with embed()
-console.log(undent`
-  query:
-    ${embed(sql)}
-`);
-// query:
-// ··SELECT·id,·name
-// ··FROM···users
-// ··WHERE··active·=·true
-
-// 4. Indent anchor — explicit column-0 baseline
-// without anchor — content deeper than min indent keeps its relative offset
-console.log(undent`
-  if (ready) {
-    run();
-  }
-`);
-// if·(ready)·{
-// ··run();
-// }
-
-// with anchor — anchor column becomes column 0; content deeper than anchor keeps offset
-console.log(undent`
-  ${indent}
-    if (ready) {
-      run();
-    }
-`);
-// ··if·(ready)·{   ← 2 cols deeper than anchor, preserved
-// ····run();
-// ··}
-
-// 5. Newline fidelity — \r\n and \r pass through untouched
-const crlf = "A\r\nB\r\nC";
-// with undent + align — CRLF in values is never touched
-console.log(JSON.stringify(undent`prefix\n${align(crlf)}`));
-// "prefix\nA\r\nB\r\nC"
-
-// 6. Trim modes — per-side, fine-grained control
-// default: "all" — strips all blank wrapper lines
-console.log(JSON.stringify(undent`
-  hello
-`));
-// "hello"
-
-// "none" — keeps blank lines at both ends
-console.log(JSON.stringify(undent.with({ trim: "none" })`
-  hello
-`));
-// "\nhello\n"
-
-// "one" — strips at most one blank line from each end
-console.log(JSON.stringify(undent.with({ trim: "one" })`
-  hello
-`));
-// "hello"
-
-// per-side: keep leading blank, strip trailing
-console.log(
-  JSON.stringify(undent.with({ trim: { leading: "none", trailing: "all" } })`
-  hello
-`),
-);
-// "\nhello"
+/**
+ * Scratch script for understanding `@okikio/wikitext` whitespace behavior.
+ *
+ * This file is not part of the parser runtime. It exists as a concrete REPL
+ * notebook in plain TypeScript so wikitext parser behavior can be
+ * checked quickly without rebuilding docs or tests first.
+ */
+
+import { } from '@okikio/wikitext';