Is there an advantage in converting user provided hfuzz values to sp?












6














I was looking through the fancyvrb code. At a point it defines a key hfuzz
as follows:



define@key{FV}{hfuzz}{%

  @tempdima=#1relax

  edeffv_hfuzz{number@tempdima sp}}} 



fvset{hfuzz=2pt}


What is the reason to convert it to sp?






tex-core







share|improve this question



























    6














    I was looking through the fancyvrb code. At a point it defines a key hfuzz
    as follows:



    define@key{FV}{hfuzz}{%
    
  @tempdima=#1relax
    
  edeffv_hfuzz{number@tempdima sp}}} 
    

    
fvset{hfuzz=2pt}


    What is the reason to convert it to sp?






    tex-core







    share|improve this question

























      6












      6








      6







      I was looking through the fancyvrb code. At a point it defines a key hfuzz
      as follows:



      define@key{FV}{hfuzz}{%
      
  @tempdima=#1relax
      
  edeffv_hfuzz{number@tempdima sp}}} 
      

      
fvset{hfuzz=2pt}


      What is the reason to convert it to sp?






      tex-core







      share|improve this question













      I was looking through the fancyvrb code. At a point it defines a key hfuzz
      as follows:



      define@key{FV}{hfuzz}{%
      
  @tempdima=#1relax
      
  edeffv_hfuzz{number@tempdima sp}}} 
      

      
fvset{hfuzz=2pt}


      What is the reason to convert it to sp?






      tex-core




      tex-core






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 14 hours ago









      Yiannis Lazarides

      91.9k20232511




      91.9k20232511






















          1 Answer
          1






          active

          oldest

          votes


















          8














          Suppose you do



          fvset{1em}


          in the preamble.



          If the code just did deffv_hfuzz{#1} the value of em current at point of usage would be used (maybe influenced by some footnotesize or similar declaration).



          The code in fancyvrb.sty, instead, freezes the value at point of definition.



          You also get an error in case of an input such as fvset{hfuzz=2}.



          On the other hand,



          edeffv_hfuzz{the@tempdima}


          would be as good.






          share|improve this answer





















          • Thanks and Merry Christmas, so no advantage in converting to sp units?
            – Yiannis Lazarides
            13 hours ago










          • @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
            – egreg
            13 hours ago










          • Thought so too! Thanks for confirming it.
            – Yiannis Lazarides
            13 hours ago











          Your Answer








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          1 Answer
          1






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          active

          oldest

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          active

          oldest

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          8














          Suppose you do



          fvset{1em}


          in the preamble.



          If the code just did deffv_hfuzz{#1} the value of em current at point of usage would be used (maybe influenced by some footnotesize or similar declaration).



          The code in fancyvrb.sty, instead, freezes the value at point of definition.



          You also get an error in case of an input such as fvset{hfuzz=2}.



          On the other hand,



          edeffv_hfuzz{the@tempdima}


          would be as good.






          share|improve this answer





















          • Thanks and Merry Christmas, so no advantage in converting to sp units?
            – Yiannis Lazarides
            13 hours ago










          • @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
            – egreg
            13 hours ago










          • Thought so too! Thanks for confirming it.
            – Yiannis Lazarides
            13 hours ago
















          8














          Suppose you do



          fvset{1em}


          in the preamble.



          If the code just did deffv_hfuzz{#1} the value of em current at point of usage would be used (maybe influenced by some footnotesize or similar declaration).



          The code in fancyvrb.sty, instead, freezes the value at point of definition.



          You also get an error in case of an input such as fvset{hfuzz=2}.



          On the other hand,



          edeffv_hfuzz{the@tempdima}


          would be as good.






          share|improve this answer





















          • Thanks and Merry Christmas, so no advantage in converting to sp units?
            – Yiannis Lazarides
            13 hours ago










          • @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
            – egreg
            13 hours ago










          • Thought so too! Thanks for confirming it.
            – Yiannis Lazarides
            13 hours ago














          8












          8








          8






          Suppose you do



          fvset{1em}


          in the preamble.



          If the code just did deffv_hfuzz{#1} the value of em current at point of usage would be used (maybe influenced by some footnotesize or similar declaration).



          The code in fancyvrb.sty, instead, freezes the value at point of definition.



          You also get an error in case of an input such as fvset{hfuzz=2}.



          On the other hand,



          edeffv_hfuzz{the@tempdima}


          would be as good.






          share|improve this answer












          Suppose you do



          fvset{1em}


          in the preamble.



          If the code just did deffv_hfuzz{#1} the value of em current at point of usage would be used (maybe influenced by some footnotesize or similar declaration).



          The code in fancyvrb.sty, instead, freezes the value at point of definition.



          You also get an error in case of an input such as fvset{hfuzz=2}.



          On the other hand,



          edeffv_hfuzz{the@tempdima}


          would be as good.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 13 hours ago









          egreg

          707k8618793160




          707k8618793160












          • Thanks and Merry Christmas, so no advantage in converting to sp units?
            – Yiannis Lazarides
            13 hours ago










          • @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
            – egreg
            13 hours ago










          • Thought so too! Thanks for confirming it.
            – Yiannis Lazarides
            13 hours ago


















          • Thanks and Merry Christmas, so no advantage in converting to sp units?
            – Yiannis Lazarides
            13 hours ago










          • @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
            – egreg
            13 hours ago










          • Thought so too! Thanks for confirming it.
            – Yiannis Lazarides
            13 hours ago
















          Thanks and Merry Christmas, so no advantage in converting to sp units?
          – Yiannis Lazarides
          13 hours ago




          Thanks and Merry Christmas, so no advantage in converting to sp units?
          – Yiannis Lazarides
          13 hours ago












          @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
          – egreg
          13 hours ago




          @YiannisLazarides I see none at all: the conversion from pt to sp is completely predictable. Maybe the author likes integers better than floating point numbers.
          – egreg
          13 hours ago












          Thought so too! Thanks for confirming it.
          – Yiannis Lazarides
          13 hours ago




          Thought so too! Thanks for confirming it.
          – Yiannis Lazarides
          13 hours ago


















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