Add InvQuestCl in ExtraSpa; fix convertir in LexiconSpa; add phonetic changes to feminine article in PhonoSpa

lib/src/spanish/PhonoSpa.gf

@@ -10,5 +10,29 @@ oper
     "a" ; "e" ; "h" ; "i" ; "o" ; "u"
     } ;
 
+    --Feminine nouns that start with stressed a use the masculine article el for phonetic reasons:
+    --e.g. "el agua pura" but "la pura agua".
+    --To prevent "el aguamarina", we list explicitly words that begin with these words
+    falseAWords : pattern Str = #("aguam"|"aguaf"|"almac"|"alab"|"alac"|"alam"|"alan"|"alar") ;
+    aWords : pattern Str = #("agua" | "alma" | "ala") ;
 
+    chooseLa = pre {
+      falseAWords  => "la" ;
+      aWords => "el" ;
+      "á"  => "el" ;
+      _    => "la" 
+    } ;
+    chooseDeLa = pre {
+      falseAWords  => "de la" ;
+      aWords => "del" ; 
+      "á"  => "del" ;
+      _    => "de la"
+    } ;
+
+    chooseALa = pre {
+      falseAWords  => "a la" ;
+      aWords => "al" ;
+      "á"  => "al" ; 
+      _    => "a la" 
+    } ;
 }