Feature #17136: Remove special behavior from $KCODE

• Status: Closed
• Priority: Normal
• Assignee: -
• Target version: -

[znz (Kazuhiro NISHIYAMA)]

$SAFE is now a normal global variable with no special behavior.
I think $KCODE's special behavior is also no longer needed.
Warnings since 1.9.

% docker run -it --rm rubylang/all-ruby env ALL_RUBY_SINCE=ruby-1.4 ./all-ruby -e '$KCODE="e"; p $KCODE'
ruby-1.4.0            "EUC"
...
ruby-1.8.7-p374       "EUC"
ruby-1.9.0-0          -e:1: warning: variable $KCODE is no longer effective; ignored
                      -e:1: warning: variable $KCODE is no longer effective
                      nil
...
ruby-2.7.1            -e:1: warning: variable $KCODE is no longer effective; ignored
                      -e:1: warning: variable $KCODE is no longer effective
                      nil

[matz (Yukihiro Matsumoto)]

We waited enough long time. Let us remove it.

Matz.

[sawa (Tsuyoshi Sawada)]

• Description updated (diff)

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|85aabef023e1a2e81c308ad98741137c73d4d80b.

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[Feature #17136] Remove special behavior from $KCODE