What is the difference between somecmd and csname somecmdendcsname?












1















This is a demo



documentclass{article}

usepackage{soul}

makeatletter

newcommand{mydef}[2]{%

    expandafterdefcsname my#1endcsname {#2}

}

newcommand{mygetdef}[1]{%

    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%

}

makeatother



deftest{some text to complete}

mydef{xxx}{some text to complete}



begin{document}

ultest                 % it works

%%%% if uncomment, the below one does not work, an error is reported 

% ulmygetdef{xxx}

end{document}


As the comment says, if ulmygetdef{xxx} takes place, there comes a error:



! Argument of SOUL@@ has an extra }.






soul csname







share|improve this question



























    1















    This is a demo



    documentclass{article}
    
usepackage{soul}
    
makeatletter
    
newcommand{mydef}[2]{%
    
    expandafterdefcsname my#1endcsname {#2}
    
}
    
newcommand{mygetdef}[1]{%
    
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
    
}
    
makeatother
    

    
deftest{some text to complete}
    
mydef{xxx}{some text to complete}
    

    
begin{document}
    
ultest                 % it works
    
%%%% if uncomment, the below one does not work, an error is reported 
    
% ulmygetdef{xxx}
    
end{document}


    As the comment says, if ulmygetdef{xxx} takes place, there comes a error:



    ! Argument of SOUL@@ has an extra }.






    soul csname







    share|improve this question

























      1












      1








      1








      This is a demo



      documentclass{article}
      
usepackage{soul}
      
makeatletter
      
newcommand{mydef}[2]{%
      
    expandafterdefcsname my#1endcsname {#2}
      
}
      
newcommand{mygetdef}[1]{%
      
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
      
}
      
makeatother
      

      
deftest{some text to complete}
      
mydef{xxx}{some text to complete}
      

      
begin{document}
      
ultest                 % it works
      
%%%% if uncomment, the below one does not work, an error is reported 
      
% ulmygetdef{xxx}
      
end{document}


      As the comment says, if ulmygetdef{xxx} takes place, there comes a error:



      ! Argument of SOUL@@ has an extra }.






      soul csname







      share|improve this question














      This is a demo



      documentclass{article}
      
usepackage{soul}
      
makeatletter
      
newcommand{mydef}[2]{%
      
    expandafterdefcsname my#1endcsname {#2}
      
}
      
newcommand{mygetdef}[1]{%
      
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
      
}
      
makeatother
      

      
deftest{some text to complete}
      
mydef{xxx}{some text to complete}
      

      
begin{document}
      
ultest                 % it works
      
%%%% if uncomment, the below one does not work, an error is reported 
      
% ulmygetdef{xxx}
      
end{document}


      As the comment says, if ulmygetdef{xxx} takes place, there comes a error:



      ! Argument of SOUL@@ has an extra }.






      soul csname




      soul csname






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 1 hour ago









      jiewuzajiewuza

      676




      676






















          1 Answer
          1






          active

          oldest

          votes


















          0














          Try 



          edeftmp{mygetdef{xxx}}
          
ultmp


          The mygetdef needs to be expanded before being passed to ul.



          documentclass{article}
          
usepackage{soul}
          
makeatletter
          
newcommand{mydef}[2]{%
          
    expandafterdefcsname my#1endcsname {#2}
          
}
          
newcommand{mygetdef}[1]{%
          
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
          
}
          
makeatother
          

          
deftest{some text to complete}
          
mydef{xxx}{some text to complete}
          

          
begin{document}
          
ultest                 % it works
          
%%%% if uncomment, the below one does not work, an error is reported 
          
% ulmygetdef{xxx}
          

          
edeftmp{mygetdef{xxx}}
          
ultmp
          
end{document}


          enter image description here






          share|improve this answer























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            1 Answer
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            1 Answer
            1






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            active

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            0














            Try 



            edeftmp{mygetdef{xxx}}
            
ultmp


            The mygetdef needs to be expanded before being passed to ul.



            documentclass{article}
            
usepackage{soul}
            
makeatletter
            
newcommand{mydef}[2]{%
            
    expandafterdefcsname my#1endcsname {#2}
            
}
            
newcommand{mygetdef}[1]{%
            
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
            
}
            
makeatother
            

            
deftest{some text to complete}
            
mydef{xxx}{some text to complete}
            

            
begin{document}
            
ultest                 % it works
            
%%%% if uncomment, the below one does not work, an error is reported 
            
% ulmygetdef{xxx}
            

            
edeftmp{mygetdef{xxx}}
            
ultmp
            
end{document}


            enter image description here






            share|improve this answer




























              0














              Try 



              edeftmp{mygetdef{xxx}}
              
ultmp


              The mygetdef needs to be expanded before being passed to ul.



              documentclass{article}
              
usepackage{soul}
              
makeatletter
              
newcommand{mydef}[2]{%
              
    expandafterdefcsname my#1endcsname {#2}
              
}
              
newcommand{mygetdef}[1]{%
              
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
              
}
              
makeatother
              

              
deftest{some text to complete}
              
mydef{xxx}{some text to complete}
              

              
begin{document}
              
ultest                 % it works
              
%%%% if uncomment, the below one does not work, an error is reported 
              
% ulmygetdef{xxx}
              

              
edeftmp{mygetdef{xxx}}
              
ultmp
              
end{document}


              enter image description here






              share|improve this answer


























                0












                0








                0







                Try 



                edeftmp{mygetdef{xxx}}
                
ultmp


                The mygetdef needs to be expanded before being passed to ul.



                documentclass{article}
                
usepackage{soul}
                
makeatletter
                
newcommand{mydef}[2]{%
                
    expandafterdefcsname my#1endcsname {#2}
                
}
                
newcommand{mygetdef}[1]{%
                
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
                
}
                
makeatother
                

                
deftest{some text to complete}
                
mydef{xxx}{some text to complete}
                

                
begin{document}
                
ultest                 % it works
                
%%%% if uncomment, the below one does not work, an error is reported 
                
% ulmygetdef{xxx}
                

                
edeftmp{mygetdef{xxx}}
                
ultmp
                
end{document}


                enter image description here






                share|improve this answer













                Try 



                edeftmp{mygetdef{xxx}}
                
ultmp


                The mygetdef needs to be expanded before being passed to ul.



                documentclass{article}
                
usepackage{soul}
                
makeatletter
                
newcommand{mydef}[2]{%
                
    expandafterdefcsname my#1endcsname {#2}
                
}
                
newcommand{mygetdef}[1]{%
                
    ifcsname my#1endcsname csname my#1endcsname else #1 not defined fi%
                
}
                
makeatother
                

                
deftest{some text to complete}
                
mydef{xxx}{some text to complete}
                

                
begin{document}
                
ultest                 % it works
                
%%%% if uncomment, the below one does not work, an error is reported 
                
% ulmygetdef{xxx}
                

                
edeftmp{mygetdef{xxx}}
                
ultmp
                
end{document}


                enter image description here







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 50 mins ago









                Steven B. SegletesSteven B. Segletes

                159k9204412




                159k9204412






























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