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[O] Problem with property matching

From: Carsten Dominik
Subject: [O] Problem with property matching
Date: Tue, 26 Nov 2013 13:27:48 +0100


I think there is an error in the property matching regexp.  It will not match a 
line where the property value is empty.  I propose the following change, which 
makes the value part optional:

diff --git a/lisp/org.el b/lisp/org.el
index 7a4d244..4641ce5 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -6205,7 +6205,7 @@ Use `org-reduced-level' to remove the effect of 
 Match group 3 will be set to the value if it exists."
   (concat "^\\(?4:[ \t]*\\)\\(?1::\\(?2:"
          (if literal property (regexp-quote property))
-         "\\):\\)[ \t]+\\(?3:[^ \t\r\n].*?\\)\\(?5:[ \t]*\\)$"))
+         "\\):\\)\\([ \t]+\\(?3:[^ \t\r\n].*?\\)\\)?\\(?5:[ \t]*\\)$"))
 (defconst org-property-re
   (org-re-property ".*?" 'literal)

Can anyone think of problems this would cause?  Nicolas, does the syntax 
definition require a non-empty value?

- Carsten

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