established resource-1.4 and moved contents of resource/exper there

lib/resource-1.4/abstract/Text.gf

@@ -0,0 +1,15 @@
+--1 Text: Texts
+
+-- Texts are built from an empty text by adding $Phr$ases,
+-- using as constructors the punctuation marks ".", "?", and "!".
+-- Any punctuation mark can be attached to any kind of phrase.
+
+abstract Text = Common ** {
+
+  fun
+    TEmpty     : Text ;                 --
+    TFullStop  : Phr -> Text -> Text ;  -- John walks. ...
+    TQuestMark : Phr -> Text -> Text ;  -- Are they here? ...
+    TExclMark  : Phr -> Text -> Text ;  -- Let's go! ...
+
+}