deletions | additions       diff --git a/figures/functional-stack/caption.tex b/figures/functional-stack/caption.tex  index 162a7e0..d83c386 100644  --- a/figures/functional-stack/caption.tex  +++ b/figures/functional-stack/caption.tex 
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The cuprates are a heterostructure of functional layers, each performing a specific structural and electronic role. role in tuning the superconducting hamiltonian.  \label{fig:stack}