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[DOC] newer codes recommend to use spaces only
[Bug #14246] [ci skip] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -374,7 +374,8 @@ trunk, or edge Ruby.
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Here are some general rules to follow when writing Ruby and C code for CRuby:
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* Indent 4 spaces for C with tabs for eight-space indentation (emacs default)
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* Indent 4 spaces for C without tabs (old codes might use tabs for eight-space indentation,
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but newer codes recommend to use spaces only)
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* Indent 2 space tabs for Ruby
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* Do not use TABs in ruby codes
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* ANSI C style for 1.9+ for function declarations
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