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[DOC] newer codes recommend to use spaces only

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[Bug #14246]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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kazu 2018-07-01 01:38:14 +00:00
parent 5235d57b07
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doc/contributing.rdoc
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@ -374,7 +374,8 @@ trunk, or edge Ruby.
Here are some general rules to follow when writing Ruby and C code for CRuby: Here are some general rules to follow when writing Ruby and C code for CRuby:
* Indent 4 spaces for C with tabs for eight-space indentation (emacs default) * Indent 4 spaces for C without tabs (old codes might use tabs for eight-space indentation,
but newer codes recommend to use spaces only)
* Indent 2 space tabs for Ruby * Indent 2 space tabs for Ruby
* Do not use TABs in ruby codes * Do not use TABs in ruby codes
* ANSI C style for 1.9+ for function declarations * ANSI C style for 1.9+ for function declarations