Add a missed test file.

tests/genx-regression.2

@@ -15,7 +15,7 @@ Generating "first.xml" from "first.atomish"
 Exited subshell with status 0
 Generating "first (again).xml" from "first.atomish"
 Exited subshell with status 0
-Generating "manifest.xml" from "manifest.atomish"
+Generating "more.xml" from "more.atomish"
 Exited subshell with status 0
 <?xml version="1.0" encoding="utf-8"?>
 <xml><first>(1)</first><second>(2)</second><third><a>(3a)</a><b>(3b)</b><c>(3c)</c></third></xml>

tests/genx-regression.atomish

@@ -14,8 +14,8 @@ say(FileSystem exists?(relative_path: "foo/bar") asText)
 GenX build(
   "first.atomish",
   "first.atomish" ⇒ "first (again).xml",
-  "manifest.atomish")
-Array("first.xml", "first (again).xml", "manifest.xml") each(file, 
+  "more.atomish")
+Array("first.xml", "first (again).xml", "more.xml") each(file, 
   say(FileSystem readFully(file))
   FileSystem removeFile!(file))
 

tests/more.atomish

@@ -0,0 +1,10 @@
+''(
+`(XML doctype("xml"))
+`(XML comment("Copyblah blah blah 20XX"))
+xxxxxx("zalgo:versionName" ⇒ "0.333", "zalgo:versionCode" ⇒ "42", "delivery" ⇒ "foo.bar.baz.quux", "xmlns:zalgo" ⇒ "http://schemas.zalgo.com/pony/pony/pony", "zalgo:deliveryLocation" ⇒ "auto")
+  uses-pony(zalgo:minPonyVersion: "15")
+  ((unnameable-character-planes(zalgo:icon: "@lovecraftean/generated", zalgo:label: "FnordFnordFnord", zalgo:theme: "@lovecraftean:genre/Cosmic.Horror")
+    (activity(zalgo:label: "FnordFnordFnord", zalgo:name: ""))
+    (activity(zalgo:label: "Parser", zalgo:name: "Regex"))
+    (activity(zalgo:label: "Entities", zalgo:name: "Beyond the Basic Multilingual Plane"))))
+)