diff -r ba54b27d733d -r 24bee1b11fce src/Pure/Thy/thy_header.ML
--- a/src/Pure/Thy/thy_header.ML	Tue Mar 17 09:22:21 2015 +0100
+++ b/src/Pure/Thy/thy_header.ML	Tue Mar 17 15:21:41 2015 +0100
@@ -12,6 +12,7 @@
     imports: (string * Position.T) list,
     keywords: keywords}
   val make: string * Position.T -> (string * Position.T) list -> keywords -> header
+  val theoryN: string
   val bootstrap_keywords: Keyword.keywords
   val add_keywords: keywords -> theory -> theory
   val get_keywords: theory -> Keyword.keywords