Index: doc/theses/mike_brooks_MMath/background.tex
===================================================================
--- doc/theses/mike_brooks_MMath/background.tex	(revision 83a581a8f2e532e5f2eb1bec3d03ece122c091e5)
+++ doc/theses/mike_brooks_MMath/background.tex	(revision 464cfc7f0e9181deec58a830ccf828f4865528bb)
@@ -1193,5 +1193,7 @@
 with all the variance being due to the (inevitable) cache status of the nodes being managed.
 
+
 \section{String}
+\label{s:String}
 
 A string is a sequence of symbols, where the form of a symbol can vary significantly: 7/8-bit characters (ASCII/Latin-1), or 2/4/8-byte (UNICODE) characters/symbols or variable length (UTF-8/16/32) characters.