Unexpected error when combining beamer + tabular + newif












7















The code is below:



documentclass[a4paper]{beamer}
usepackage[utf8]{inputenc}
title{Ok}
author{Me}
date{today}

newififok
oktrue

begin{document}

maketitle

begin{frame}
ifok
Hello
begin{tabular}{c}
ok \
end{tabular}
fi
end{frame}

end{document}


This small code piece makes pdflatex to outout (only last lines):



! Incomplete ifx; all text was ignored after line 19.
<inserted text>
fi
<*> ok.tex

?
! Emergency stop.
<inserted text>
fi
<*> ok.tex

! ==> Fatal error occurred, no output PDF file produced!


Any idea to fix this or should I throw out the use of newif?










share|improve this question





























    7















    The code is below:



    documentclass[a4paper]{beamer}
    usepackage[utf8]{inputenc}
    title{Ok}
    author{Me}
    date{today}

    newififok
    oktrue

    begin{document}

    maketitle

    begin{frame}
    ifok
    Hello
    begin{tabular}{c}
    ok \
    end{tabular}
    fi
    end{frame}

    end{document}


    This small code piece makes pdflatex to outout (only last lines):



    ! Incomplete ifx; all text was ignored after line 19.
    <inserted text>
    fi
    <*> ok.tex

    ?
    ! Emergency stop.
    <inserted text>
    fi
    <*> ok.tex

    ! ==> Fatal error occurred, no output PDF file produced!


    Any idea to fix this or should I throw out the use of newif?










    share|improve this question



























      7












      7








      7








      The code is below:



      documentclass[a4paper]{beamer}
      usepackage[utf8]{inputenc}
      title{Ok}
      author{Me}
      date{today}

      newififok
      oktrue

      begin{document}

      maketitle

      begin{frame}
      ifok
      Hello
      begin{tabular}{c}
      ok \
      end{tabular}
      fi
      end{frame}

      end{document}


      This small code piece makes pdflatex to outout (only last lines):



      ! Incomplete ifx; all text was ignored after line 19.
      <inserted text>
      fi
      <*> ok.tex

      ?
      ! Emergency stop.
      <inserted text>
      fi
      <*> ok.tex

      ! ==> Fatal error occurred, no output PDF file produced!


      Any idea to fix this or should I throw out the use of newif?










      share|improve this question
















      The code is below:



      documentclass[a4paper]{beamer}
      usepackage[utf8]{inputenc}
      title{Ok}
      author{Me}
      date{today}

      newififok
      oktrue

      begin{document}

      maketitle

      begin{frame}
      ifok
      Hello
      begin{tabular}{c}
      ok \
      end{tabular}
      fi
      end{frame}

      end{document}


      This small code piece makes pdflatex to outout (only last lines):



      ! Incomplete ifx; all text was ignored after line 19.
      <inserted text>
      fi
      <*> ok.tex

      ?
      ! Emergency stop.
      <inserted text>
      fi
      <*> ok.tex

      ! ==> Fatal error occurred, no output PDF file produced!


      Any idea to fix this or should I throw out the use of newif?







      beamer






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 2 days ago









      David Carlisle

      485k4111181860




      485k4111181860










      asked 2 days ago









      Cassé HuguesCassé Hugues

      462




      462






















          2 Answers
          2






          active

          oldest

          votes


















          5














          Beamer does lots of "interesting" re-arrangements of its inputs, you can use the [fragile] option on a frame so it uses a safer, slower, mechanism:



          documentclass[a4paper]{beamer}
          usepackage[utf8]{inputenc}
          title{Ok}
          author{Me}
          date{today}

          newififok
          oktrue

          begin{document}

          maketitle

          begin{frame}[fragile]

          ifok
          Hello
          begin{tabular}{c}
          ok \
          end{tabular}
          fi

          end{frame}

          end{document}





          share|improve this answer



















          • 1





            Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

            – Cassé Hugues
            2 days ago













          • @CasséHugues that's the rule I used here:-)

            – David Carlisle
            2 days ago



















          3














          Use



          begin{frame}
          ifok
          Hello
          {begin{tabular}{c}
          ok \
          end{tabular}}
          fi
          end{frame}





          share|improve this answer























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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            5














            Beamer does lots of "interesting" re-arrangements of its inputs, you can use the [fragile] option on a frame so it uses a safer, slower, mechanism:



            documentclass[a4paper]{beamer}
            usepackage[utf8]{inputenc}
            title{Ok}
            author{Me}
            date{today}

            newififok
            oktrue

            begin{document}

            maketitle

            begin{frame}[fragile]

            ifok
            Hello
            begin{tabular}{c}
            ok \
            end{tabular}
            fi

            end{frame}

            end{document}





            share|improve this answer



















            • 1





              Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

              – Cassé Hugues
              2 days ago













            • @CasséHugues that's the rule I used here:-)

              – David Carlisle
              2 days ago
















            5














            Beamer does lots of "interesting" re-arrangements of its inputs, you can use the [fragile] option on a frame so it uses a safer, slower, mechanism:



            documentclass[a4paper]{beamer}
            usepackage[utf8]{inputenc}
            title{Ok}
            author{Me}
            date{today}

            newififok
            oktrue

            begin{document}

            maketitle

            begin{frame}[fragile]

            ifok
            Hello
            begin{tabular}{c}
            ok \
            end{tabular}
            fi

            end{frame}

            end{document}





            share|improve this answer



















            • 1





              Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

              – Cassé Hugues
              2 days ago













            • @CasséHugues that's the rule I used here:-)

              – David Carlisle
              2 days ago














            5












            5








            5







            Beamer does lots of "interesting" re-arrangements of its inputs, you can use the [fragile] option on a frame so it uses a safer, slower, mechanism:



            documentclass[a4paper]{beamer}
            usepackage[utf8]{inputenc}
            title{Ok}
            author{Me}
            date{today}

            newififok
            oktrue

            begin{document}

            maketitle

            begin{frame}[fragile]

            ifok
            Hello
            begin{tabular}{c}
            ok \
            end{tabular}
            fi

            end{frame}

            end{document}





            share|improve this answer













            Beamer does lots of "interesting" re-arrangements of its inputs, you can use the [fragile] option on a frame so it uses a safer, slower, mechanism:



            documentclass[a4paper]{beamer}
            usepackage[utf8]{inputenc}
            title{Ok}
            author{Me}
            date{today}

            newififok
            oktrue

            begin{document}

            maketitle

            begin{frame}[fragile]

            ifok
            Hello
            begin{tabular}{c}
            ok \
            end{tabular}
            fi

            end{frame}

            end{document}






            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered 2 days ago









            David CarlisleDavid Carlisle

            485k4111181860




            485k4111181860








            • 1





              Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

              – Cassé Hugues
              2 days ago













            • @CasséHugues that's the rule I used here:-)

              – David Carlisle
              2 days ago














            • 1





              Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

              – Cassé Hugues
              2 days ago













            • @CasséHugues that's the rule I used here:-)

              – David Carlisle
              2 days ago








            1




            1





            Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

            – Cassé Hugues
            2 days ago







            Thank your very much. Maybe, a rule of thumb could be: if doesn't work as expected, use "fragile".

            – Cassé Hugues
            2 days ago















            @CasséHugues that's the rule I used here:-)

            – David Carlisle
            2 days ago





            @CasséHugues that's the rule I used here:-)

            – David Carlisle
            2 days ago











            3














            Use



            begin{frame}
            ifok
            Hello
            {begin{tabular}{c}
            ok \
            end{tabular}}
            fi
            end{frame}





            share|improve this answer




























              3














              Use



              begin{frame}
              ifok
              Hello
              {begin{tabular}{c}
              ok \
              end{tabular}}
              fi
              end{frame}





              share|improve this answer


























                3












                3








                3







                Use



                begin{frame}
                ifok
                Hello
                {begin{tabular}{c}
                ok \
                end{tabular}}
                fi
                end{frame}





                share|improve this answer













                Use



                begin{frame}
                ifok
                Hello
                {begin{tabular}{c}
                ok \
                end{tabular}}
                fi
                end{frame}






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 days ago









                HerbertHerbert

                271k24409718




                271k24409718






























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