Http.text and Http.header return copies - they handed back the handle's own buffer (and on macOS the response's string), which Http.free released: a text read before the free and used after it was garbage or empty (maroon-lake's maps.json was written with 0 bytes)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/language/http/http-header.md

@@ -11,7 +11,7 @@ ns: Http
 member: header
 ---
 
-Returns a response header value by name (case-insensitive), or an empty result if absent.
+Returns a response header value by name (case-insensitive), or an empty result if absent. The value is a copy, yours to keep after <code>Http.free</code>.
 
 ```ludic
 program Demo {

docs/language/http/http-text.md

@@ -11,7 +11,7 @@ ns: Http
 member: text
 ---
 
-Returns the response body as a NUL-terminated string. Pair with <code>Json.parse</code> (#44) for JSON APIs.
+Returns the response body as a NUL-terminated string: a copy that stays yours after <code>Http.free</code> lets the handle go, so read it once and keep what you read. Pair with <code>Json.parse</code> (#44) for JSON APIs.
 
 ```ludic
 program Demo {