cleanup, docs

site/doc/pages/gz_uncompress.txt

@@ -14,9 +14,8 @@ zip_extract
 :content
 Uncompresses a gzip-format byte string and returns the original content.
 
-```uce
-String compressed = file_get_contents("/tmp/hello.txt.gz");
-String plain = gz_uncompress(compressed);
-```
 
 `gz_uncompress()` validates the gzip header, CRC32 footer, and uncompressed-size footer. It throws a runtime error when the input is not a supported gzip stream or fails validation.
+
+:example
+print("gz_uncompress example\n");