New option to turn off export of the email address

Default is actually off.

doc/ChangeLog

@@ -1,3 +1,7 @@
+2010-03-26  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org.texi (Publishing options): Document the :email option.
+
 2010-03-25  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org.texi (Refiling notes): Document refile logging.

doc/org.texi

@@ -10247,6 +10247,7 @@ respective variable for details.
 @vindex org-export-with-fixed-width
 @vindex org-export-with-timestamps
 @vindex org-export-author-info
+@vindex org-export-email
 @vindex org-export-creator-info
 @vindex org-export-with-tables
 @vindex org-export-highlight-first-table-line
@@ -10295,6 +10296,7 @@ respective variable for details.
 @item @code{:fixed-width}           @tab @code{org-export-with-fixed-width}
 @item @code{:timestamps}            @tab @code{org-export-with-timestamps}
 @item @code{:author-info}           @tab @code{org-export-author-info}
+@item @code{:email-info}            @tab @code{org-export-email-info}
 @item @code{:creator-info}          @tab @code{org-export-creator-info}
 @item @code{:tables}                @tab @code{org-export-with-tables}
 @item @code{:table-auto-headline}   @tab @code{org-export-highlight-first-table-line}

lisp/ChangeLog

@@ -1,3 +1,17 @@
+2010-03-26  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org-ascii.el (org-export-as-ascii): Export email only if the
+	author wants it.
+
+	* org-docbook.el (org-export-as-docbook): Export email only if the
+	author wants it.
+
+	* org-html.el (org-export-as-html): Export email only if the
+	author wants it.
+
+	* org-exp.el (org-export-email-info): New option.
+	(org-export-plist-vars): Add entry for `org-export-email'.
+
 2010-03-25  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org-table.el (org-table-goto-line): Fix typo.

lisp/org-ascii.el

@@ -297,7 +297,9 @@ publishing directory."
       (if (and (or author email)
 	       org-export-author-info)
 	  (insert(concat (nth 1 lang-words) ": " (or author "")
-			  (if email (concat " <" email ">") "")
+			  (if (and org-export-email-info
+				   email (string-match "\\S-" email))
+			      (concat " <" email ">") "")
 			  "\n")))
 
       (cond

lisp/org-docbook.el

@@ -611,7 +611,9 @@ publishing directory."
   </info>\n"
 		 (org-docbook-expand title)
 		 firstname othername surname
-		 (if email (concat "<email>" email "</email>") "")
+		 (if (and org-export-email-info
+			  email (string-match "\\S-" email))
+		     (concat "<email>" email "</email>") "")
 		 )))
 
       (org-init-section-numbers)

lisp/org-exp.el

@@ -316,6 +316,14 @@ e.g. \"author-info:nil\"."
   :group 'org-export-general
   :type 'boolean)
 
+(defcustom org-export-email-info nil
+  "Non-nil means insert author name and email into the exported file.
+
+This option can also be set with the +OPTIONS line,
+e.g. \"email-info:t\"."
+  :group 'org-export-general
+  :type 'boolean)
+
 (defcustom org-export-creator-info t
   "Non-nil means the postamble should contain a creator sentence.
 This sentence is \"HTML generated by org-mode XX in emacs XXX\"."
@@ -607,6 +615,7 @@ table.el tables."
     (:fixed-width	      ":"	  org-export-with-fixed-width)
     (:timestamps	      "<"	  org-export-with-timestamps)
     (:author-info	      "author"	  org-export-author-info)
+    (:email-info	      "email"	  org-export-email)
     (:creator-info	      "creator"	  org-export-creator-info)
     (:time-stamp-file	      "timestamp" org-export-time-stamp-file)
     (:tables		      "|"	  org-export-with-tables)

lisp/org-html.el

@@ -1410,7 +1410,7 @@ lang=\"%s\" xml:lang=\"%s\">
 	  (when (and org-export-author-info author)
 	    (insert "<p class=\"author\"> "
 		    (nth 1 lang-words) ": " author "\n")
-	    (when email
+	    (when (and org-export-email-info email (string-match "\\S-" email))
 	      (if (listp (split-string email ",+ *"))
 		  (mapc (lambda(e)
 			  (insert "<a href=\"mailto:" e "\">&lt;"