Golden ratio/Convergence: Difference between revisions
→{{header|M4}}: Note about recursion.
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M4 is a macro-preprocessor, not a general-purpose programming language. That we can do this much without a lot of trouble is interesting.
M4 has recursion but not true loops. It is possible to write macros that look like loops, however. That is not done here.
<syntaxhighlight lang="m4">
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