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\section{Overview}\index{Web Interface,Overview}%
-The CGI program {\tt ctsim.cgi} takes projections of a standard
+The CGI program \texttt{ctsim.cgi} takes projections of a standard
phantom object, performs reconstruction, and then compares the
rasterized phantom object with the reconstruction. The comparison is
performed both visually by an image subtraction as well as by standard