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  • Is this the right way to understand \let \def \edef \gdef \xdef . . . - TeX
    If you try to fully understand \let (this one is wrong specified in your question) then imagine, that TeX manages a dictionary of all used control sequences and catcode-active letters
  • What is the difference between \\let and \\def? - TeX
    What is the difference between the \\let and \\def commands in TeX LaTeX? Ideally please provide a simple example that will illustrate the difference between them
  • Why cant \lq and \rq be defined using \let? - TeX
    A supplement to David's answer You have to be careful in terminology: a macro is a control sequence (or active character) defined with \def, \edef, \gdef, \xdef or \let to a macro Thus \def\foo{x} makes \foo into a macro and after \let\baz=\foo, also \baz is a macro On the other hand, TeX has many control sequences that aren't macros: primitives aren't macros; control sequences defined by
  • \\def and \\edef: Expansion for one level, not more
    { \def\textandmacro{sampletext \mcr} \global\let\save\textandmacro } % here \save still expands to "sampletext \mcr" For somewhat more complex cases where you want \save to contain more than a single macro, you can use \expandafter
  • \let and \def differentiation in D. Knuths commentary (plain TeX)
    The following example produces two alignments but if you change \iffalse to \iftrue a third attempt using the suggested definition with \def instead of \let is used, which fails
  • Difference between \let\foo\relax and \def\foo {} for disabling
    \def\foo{AAAAAA} {\let\foo\relax \foo} \foo Within the group the meaning of the command will be equal to \relax and do nothing Outside the group it will have its value restored
  • What is the difference between \\let and \\edef? - TeX
    The main difference is that \let creates a new reference (a k a name) to an existing value while \def (and friends) creates a completely new value and name pair
  • Using \let with \csname inside a macro - LaTeX Stack Exchange
    \def\letprefix #1#2{% \expandafter\let\csname#1\endcsname\csname#1#2\endcsname % } \def\mycommandversion {I want to use this as ``\\mycommand''} \letprefix{mycommand}{version} Hello! \mycommand \bye I'm not very familiar with using macros to define other macros, I haven't found anything about using \let in this way (maybe it isn't possible?) and can't understand why the version with \def and
  • How to re-define a robust command - LaTeX Stack Exchange
    9 using \let is never advisable on latex commands, the behaviour depends on the definition and, as you say, can result in looping Use \NewCommandCopy\origtitle\title to copy the command To define a robust new version use \DeclareRobustCommand or \RenewDocumentCommand rather than \renewcommand
  • What is the difference between \def and \newcommand? - TeX
    Inspired by a question about \\let and \\def, I have some that essentially all boil down to asking What are the differences between \\def and \\newcommand? In particular, I wonder Is it possible to h





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