Update to TeXLive 2011 needs protected caption subrefs

[thesis.git] / src / apparatus / procedure.tex

diff --git a/src/apparatus/procedure.tex b/src/apparatus/procedure.tex
index dbfb99e736a0a129b663dba7db1ebeae81279e61..25e9be2d40bec515abb0108187ab407ba2d73a95 100644 (file)
--- a/src/apparatus/procedure.tex
+++ b/src/apparatus/procedure.tex
@@ -39,16 +39,17 @@ multi-domain test proteins.
   \subfloat[][]{\asyinclude{figures/expt-sawtooth/expt-sawtooth}%
     \label{fig:expt-sawtooth}}
   % Possibly use carrion-vazquez00 figure 2 to show scale of afm tip
-  \caption{\subref{fig:unfolding-schematic} Schematic of the
+  \caption{\protect\subref{fig:unfolding-schematic} Schematic of the
     experimental setup for mechanical unfolding of proteins using an
     AFM (not to scale).  An experiment starts with the tip in contact
     with the substrate surface, which is then moved away from the tip
     at a constant speed.  $x_t$ is the distance traveled by the
     substrate, $x_c$ is the cantilever deflection, $x_u$ is the
     extension of the unfolded polymer, and $x_f=x_{f1}+x_{f2}$ is the
-    extension of the folded polymer.  \subref{fig:expt-sawtooth} An
-    experimental force curve from stretching a ubiquitin polymer with
-    the rising parts of the peaks fitted to the WLC\index{WLC} model
+    extension of the folded polymer.
+    \protect\subref{fig:expt-sawtooth} An experimental force curve
+    from stretching a ubiquitin polymer with the rising parts of the
+    peaks fitted to the WLC\index{WLC} model
     (\cref{sec:sawsim:tension:wlc})\citep{chyan04}.  The pulling speed
     used was $1\U{$\mu$m/s}$.  The irregular features at the beginning
     of the curve are due to nonspecific interactions between the tip