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2 definitions found
 for macro
From The Free On-line Dictionary of Computing (30 December 2018) :

     1. Assembly language for VAX/VMS.
     2. PL/I-like language with extensions for string processing.
     "MACRO: A Programming Language", S.R. Greenwood, SIGPLAN
     Notices 14(9):80-91 (Sep 1979).
     [{Jargon File]

From The Free On-line Dictionary of Computing (30 December 2018) :

     A name (possibly followed by a formal argument list) that is
     equated to a text or symbolic expression to which it is to be
     expanded (possibly with the substitution of actual
     arguments) by a macro expander.
     The term "macro" originated in early assemblers, which
     encouraged the use of macros as a structuring and
     information-hiding device.  During the early 1970s, macro
     assemblers became ubiquitous, and sometimes quite as powerful
     and expensive as HLLs, only to fall from favour as improving
     compiler technology marginalised assembly language
     programming (see languages of choice).  Nowadays the term is
     most often used in connection with the C preprocessor,
     Lisp, or one of several special-purpose languages built
     around a macro-expansion facility (such as TeX or Unix's
     troff suite).
     Indeed, the meaning has drifted enough that the collective
     "macros" is now sometimes used for code in any special-purpose
     application control language (whether or not the language is
     actually translated by text expansion), and for macro-like
     entities such as the "keyboard macros" supported in some text
     editors (and PC TSRs or Macintosh INIT/CDEV keyboard

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