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{{Short description|Programming language}}
{{ProgLangCompare}}
Devised by [[Niklaus Wirth]] in the late 1960s and early 1970s, [[Pascal (programming language)|Pascal]] is a [[programming language]]. Originally produced by [[Borland]] Software Corporation, [[Embarcadero Delphi]] is composed of an IDE, set of standard libraries, and a Pascal-based language commonly called either [[Object Pascal]], Delphi Pascal, or simply 'Delphi' (Embarcadero's current documentation refers to it as 'the Delphi language (Object Pascal)'<ref>{{Cite web|url=http://docwiki.embarcadero.com/RADStudio/XE2/en/Delphi_Reference|title = Delphi Reference - RAD Studio XE2}}</ref>). Since first released, it has become the most popular commercial Pascal implementation.
While developing Pascal, Wirth employed a [[Bootstrapping (compilers)|bootstrapping]] procedure in which each newer version of the Pascal compiler was written and compiled with its predecessor. Thus, the 'P2' compiler was written in the dialect compilable by 'P1', 'P3' in turn was written in 'P2' and so on, all the way till 'P5'. The 'P5' compiler implemented Pascal in its final state as defined by Wirth, and subsequently became standardised as 'ISO 7185 Pascal'.
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