deletions | additions       diff --git a/Discussion.tex b/Discussion.tex  index ffcb4e1..cdab87c 100644  --- a/Discussion.tex  +++ b/Discussion.tex 
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\item[Individual records] \\  A number of the form $I_1.I_2$, where $I_1$ is an integer associated with a publication (e.g.\cite{Thornalley_2009}) and $I_2$ is a counter updated every time a modification is made to the data or metadata.   \item[Data compilations ]  A number of the form $C_1.C_2.C_3$, where $C_1$ is an integer associated with a publication (e.g.\cite{PAGES2k_2013}) \citep[e.g.][]{PAGES2k_2013}  and $C_2$ is a counter updated every time a record is added or removed, and $C_3$ is a counter updated every time a modification is made to the data or metadata in an individual record. \end{description}  We are presently implementing a large-scale test of the LiPD framework by using it as the primary data archive for Phase 2 of the \href{http://www.pages-igbp.org/workinggroups/2k-network/intro}{PAGES 2k global temperature database}. Consequently, the described framework for describing the proxy data is fairly mature and field-tested. LiPD's relatively complex structure is in fact the simplest container we could devise that would accommodate the wide diversity of constraints provided by the >5,000 records in the database. However, it may not be universal, and we welcome suggestions for increased generality. 
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