Whitespace is an esoteric programming language developed by Edwin Brady and Chris Morris at the University of Durham, first released on April Fools Day 2003, distinctive for using only whitespace characters, spaces, tabs and line feeds, as syntactically significant tokens, while ignoring any other characters, meaning a Whitespace program can be hidden invisibly inside the source code of a program written in another language.
Facts
SignificanceWhitespace source code can be hidden in code of a language that ignores whitespace, making the text a polyglot 1 Sources
1. Whitespace (programming language)
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source code can be contained within the whitespace of code written in a language that ignores whitespace
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