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    17 % beamer stuff   | 
    17 % beamer stuff   | 
    18 \renewcommand{\slidecaption}{CFL 01, King's College London} | 
    18 \renewcommand{\slidecaption}{CFL 01, King's College London} | 
    19   | 
    19   | 
    20   | 
    20   | 
    21 \begin{document} | 
    21 \begin{document} | 
         | 
    22   | 
         | 
    23   | 
         | 
    24   | 
    22   | 
    25   | 
    23   | 
    26   | 
    24   | 
    27   | 
    25 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  | 
    28 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  | 
    26 \begin{frame}[t] | 
    29 \begin{frame}[t] | 
   259 lexer input: a string\smallskip\\  | 
   262 lexer input: a string\smallskip\\  | 
   260 \hspace{5mm}\code{"read(n);"}\medskip\\ | 
   263 \hspace{5mm}\code{"read(n);"}\medskip\\ | 
   261 lexer output: a sequence of tokens\smallskip\\  | 
   264 lexer output: a sequence of tokens\smallskip\\  | 
   262 \hspace{5mm}\code{key(read) lpar id(n) rpar semi} | 
   265 \hspace{5mm}\code{key(read) lpar id(n) rpar semi} | 
   263 \end{bubble} | 
   266 \end{bubble} | 
   264 \end{textblock}} | 
   267 \end{textblock}}  | 
   265   | 
   268   | 
   266 \only<3,4>{ | 
   269 \only<3,4>{ | 
   267 \begin{textblock}{1}(6,7.8) | 
   270 \begin{textblock}{1}(6,7.8) | 
   268 \begin{tabular}{c} | 
   271 \begin{tabular}{c} | 
   269 \includegraphics[scale=0.2]{../pics/rosetta.jpg}\\[-2mm] | 
   272 \includegraphics[scale=0.2]{../pics/rosetta.jpg}\\[-2mm] |