Fix bug in CSV table import

Dan Davison writes:

> If a file contains "-1" followed by a newline and nothing else,
> org-table-import on that file fails. The first commit with this
> property is a commit (below) to do with CVS tables made a few
> days ago. I have given up trying to work out a good solution to
> this :) In case it is useful, the failure occurs when
> org-table-align is called at the end of
> org-table-convert-region. I think it is long-standing behaviour
> that hitting tab inside of
>
> |-1|
>
> doesn't make a table containing "-1", so presumably there is
> something different about the context in which org-table-align is
> now being called.

lisp/ChangeLog

@@ -1,3 +1,9 @@
+2009-10-31  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org-table.el (org-table-convert-region): Inert spaces around "|"
+	to avoid line beginnings like "|-1" which will be mistaken as
+	hlines.
+
 2009-10-30  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org.el (org-offer-links-in-entry): Return nil if there are no

lisp/org-table.el

@@ -429,15 +429,14 @@ nil      When nil, the command tries to be smart and figure out the
 	(while (<= (point) end)
 	  ;; parse the csv stuff
 	  (cond
-	   ((looking-at "^") (insert "|"))
-	   ((looking-at "[ \t]*$") (replace-match "|") (beginning-of-line 2))
+	   ((looking-at "^") (insert "| "))
+	   ((looking-at "[ \t]*$") (replace-match " |") (beginning-of-line 2))
 	   ((looking-at "[ \t]*\"\\([^\"\n]*\\)\"")
 	    (replace-match "\\1")
 	    (if (looking-at "\"") (insert "\"")))
 	   ((looking-at "[^,\n]+") (goto-char (match-end 0)))
 	   ((looking-at "[ \t]*,") (replace-match " | "))
-	   (t (beginning-of-line 2)
-	      (if (< (point) end) (insert "|")))))
+	   (t (beginning-of-line 2))))
       (setq re (cond
 		((equal separator '(4)) "^\\|\"?[ \t]*,[ \t]*\"?")
 		((equal separator '(16)) "^\\|\t")