X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=blobdiff_plain;f=strategy.tex;h=27c9fd82b98d79868af1d126318e16004d42c2ae;hp=499ec3414d611b4017d802efb227af49ca270645;hb=HEAD;hpb=39aa11f8790f64b28c6354dee9a846d0eefe86d6

diff --git a/strategy.tex b/strategy.tex
index 499ec34..27c9fd8 100644
--- a/strategy.tex
+++ b/strategy.tex
@@ -61,6 +61,12 @@ These are the heads which will be merged and used in this update.
 This will include the current local and remote git refs, as desired.
 Obtained from the function $h$ (see below).
 
+\item[ $W$ ]
+
+During the Traversal phase, when we generate new commits, the working
+head of the branch we are working on.  Starts at $W_0$, updated as the
+algorithm progresses, and ultimately used to set $T$.
+
 %\item[ $\set E_{\pc}$ ]
 %$ \bigcup_i \pendsof{S_{\pc,i}}{\pc} $.
 %All the ends of $\pc$ in the sources.