org-export: Flesh out dictionary

* contrib/lisp/org-export.el (org-export-dictionary): Flesh out
  dictionary.
(org-export-translate): Allow for a :default charset in order to
simplify dictionary completion.

contrib/lisp/org-export.el

@@ -4249,67 +4249,124 @@ object, a string, or nil."
 
 (defconst org-export-dictionary
   '(("Author"
-     ("fr"
-      :ascii "Auteur"
-      :latin1 "Auteur"
-      :utf-8 "Auteur"))
+     ("ca" :default "Autor")
+     ("cs" :default "Autor")
+     ("da" :default "Ophavsmand")
+     ("de" :default "Autor")
+     ("eo" :html "Aŭtoro")
+     ("es" :default "Autor")
+     ("fi" :html "Tekijä")
+     ("fr" :default "Auteur")
+     ("hu" :default "Szerzõ")
+     ("is" :html "Höfundur")
+     ("it" :default "Autore")
+     ("ja" :html "著者" :utf-8 "著者")
+     ("nl" :default "Auteur")
+     ("no" :default "Forfatter")
+     ("nb" :default "Forfatter")
+     ("nn" :default "Forfattar")
+     ("pl" :default "Autor")
+     ("ru" :html "Автор" :utf-8 "Автор")
+     ("sv" :html "Författare")
+     ("uk" :html "Автор" :utf-8 "Автор")
+     ("zh-CN" :html "作者" :utf-8 "作者")
+     ("zh-TW" :html "作者" :utf-8 "作者"))
     ("Date"
-     ("fr"
-      :ascii "Date"
-      :latin1 "Date"
-      :utf-8 "Date"))
-    ("Equation")
+     ("ca" :default "Data")
+     ("cs" :default "Datum")
+     ("da" :default "Dato")
+     ("de" :default "Datum")
+     ("eo" :default "Dato")
+     ("es" :default "Fecha")
+     ("fi" :html "Päivämäärä")
+     ("hu" :html "Dátum")
+     ("is" :default "Dagsetning")
+     ("it" :default "Data")
+     ("ja" :html "日付" :utf-8 "日付")
+     ("nl" :default "Datum")
+     ("no" :default "Dato")
+     ("nb" :default "Dato")
+     ("nn" :default "Dato")
+     ("pl" :default "Data")
+     ("ru" :html "Дата" :utf-8 "Дата")
+     ("sv" :default "Datum")
+     ("uk" :html "Дата" :utf-8 "Дата")
+     ("zh-CN" :html "日期" :utf-8 "日期")
+     ("zh-TW" :html "日期" :utf-8 "日期"))
+    ("Equation"
+     ("fr" :ascii "Equation" :default "Équation"))
     ("Figure")
     ("Footnotes"
-     ("fr"
-      :ascii "Notes de bas de page"
-      :latin1 "Notes de bas de page"
-      :utf-8 "Notes de bas de page"))
+     ("ca" :html "Peus de pàgina")
+     ("cs" :default "Pozn\xe1mky pod carou")
+     ("da" :default "Fodnoter")
+     ("de" :html "Fußnoten")
+     ("eo" :default "Piednotoj")
+     ("es" :html "Pies de página")
+     ("fi" :default "Alaviitteet")
+     ("fr" :default "Notes de bas de page")
+     ("hu" :html "Lábjegyzet")
+     ("is" :html "Aftanmálsgreinar")
+     ("it" :html "Note a piè di pagina")
+     ("ja" :html "脚注" :utf-8 "脚注")
+     ("nl" :default "Voetnoten")
+     ("no" :default "Fotnoter")
+     ("nb" :default "Fotnoter")
+     ("nn" :default "Fotnotar")
+     ("pl" :default "Przypis")
+     ("ru" :html "Сноски" :utf-8 "Сноски")
+     ("sv" :default "Fotnoter")
+     ("uk" :html "Примітки"
+      :utf-8 "Примітки")
+     ("zh-CN" :html "脚注" :utf-8 "脚注")
+     ("zh-TW" :html "腳註" :utf-8 "腳註"))
     ("List of Listings"
-     ("fr"
-      :ascii "Liste des programmes"
-      :latin1 "Liste des programmes"
-      :utf-8 "Liste des programmes"))
+     ("fr" :default "Liste des programmes"))
     ("List of Tables"
-     ("fr"
-      :ascii "Liste des tableaux"
-      :latin1 "Liste des tableaux"
-      :utf-8 "Liste des tableaux"))
+     ("fr" :default "Liste des tableaux"))
     ("Listing %d:"
      ("fr"
-      :ascii "Programme %d :"
-      :latin1 "Programme %d :"
-      :utf-8 "Programme nº %d :"))
+      :ascii "Programme %d :" :default "Programme nº %d :"
+      :latin1 "Programme %d :"))
     ("Listing %d: %s"
      ("fr"
-      :ascii "Programme %d : %s"
-      :latin1 "Programme %d : %s"
-      :utf-8 "Programme nº %d : %s"))
+      :ascii "Programme %d : %s" :default "Programme nº %d : %s"
+      :latin1 "Programme %d : %s"))
     ("See section %s"
-     ("fr"
-      :ascii "cf. section %s"
-      :latin1 "cf. section %s"
-      :utf-8 "cf. section %s"))
+     ("fr" :default "cf. section %s"))
     ("Table %d:"
      ("fr"
-      :ascii "Tableau %d :"
-      :latin1 "Tableau %d :"
-      :utf-8 "Tableau nº %d :"))
+      :ascii "Tableau %d :" :default "Tableau nº %d :" :latin1 "Tableau %d :"))
     ("Table %d: %s"
      ("fr"
-      :ascii "Tableau %d : %s"
-      :latin1 "Tableau %d : %s"
-      :utf-8 "Tableau nº %d : %s"))
+      :ascii "Tableau %d : %s" :default "Tableau nº %d : %s"
+      :latin1 "Tableau %d : %s"))
     ("Table of Contents"
-     ("fr"
-      :ascii "Sommaire"
-      :latin1 "Table des matières"
-      :utf-8 "Table des matières"))
+     ("ca" :html "Índex")
+     ("cs" :default "Obsah")
+     ("da" :default "Indhold")
+     ("de" :default "Inhaltsverzeichnis")
+     ("eo" :default "Enhavo")
+     ("es" :html "Índice")
+     ("fi" :html "Sisällysluettelo")
+     ("fr" :ascii "Sommaire" :default "Table des matières")
+     ("hu" :html "Tartalomjegyzék")
+     ("is" :default "Efnisyfirlit")
+     ("it" :default "Indice")
+     ("ja" :html "目次" :utf-8 "目次")
+     ("nl" :default "Inhoudsopgave")
+     ("no" :default "Innhold")
+     ("nb" :default "Innhold")
+     ("nn" :default "Innhald")
+     ("pl" :html "Spis treści")
+     ("ru" :html "Содержание"
+      :utf-8 "Содержание")
+     ("sv" :html "Innehåll")
+     ("uk" :html "Зміст" :utf-8 "Зміст")
+     ("zh-CN" :html "目录" :utf-8 "目录")
+     ("zh-TW" :html "目錄" :utf-8 "目錄"))
     ("Unknown reference"
-     ("fr"
-      :ascii "Destination inconnue"
-      :latin1 "Référence inconnue"
-      :utf-8 "Référence inconnue")))
+     ("fr" :ascii "Destination inconnue" :default "Référence inconnue")))
   "Dictionary for export engine.
 
 Alist whose CAR is the string to translate and CDR is an alist
@@ -4327,11 +4384,15 @@ entry.")
 ENCODING is a symbol among `:ascii', `:html', `:latex', `:latin1'
 and `:utf-8'.  INFO is a plist used as a communication channel.
 
-Translation depends on `:language' property.  Return the
-translated string.  If no translation is found return S."
-  (let ((lang (plist-get info :language))
-	(translations (cdr (assoc s org-export-dictionary))))
-    (or (plist-get (cdr (assoc lang translations)) encoding) s)))
+Translation depends on `:language' property. Return the
+translated string. If no translation is found, try to fall back
+to `:default' encoding. If it fails, return S."
+  (let* ((lang (plist-get info :language))
+	 (translations (cdr (assoc lang
+				   (cdr (assoc s org-export-dictionary))))))
+    (or (plist-get translations encoding)
+	(plist-get translations :default)
+	s)))