From 62c15833531d85134783ba5e1d6cef8b7a4488da Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 26 Feb 2022 16:16:40 +0900
Subject: [DOC] Place a non-US-ASCII document in a document-specific script

---
 doc/.document    |  1 +
 doc/transcode.rb | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 transcode.c      | 48 ------------------------------------------------
 3 files changed, 51 insertions(+), 48 deletions(-)
 create mode 100644 doc/transcode.rb

diff --git a/doc/.document b/doc/.document
index f35cd4769b..b52a2104a7 100644
--- a/doc/.document
+++ b/doc/.document
@@ -1,4 +1,5 @@
 *.md
+*.rb
 *.rdoc
 NEWS-*
 syntax
diff --git a/doc/transcode.rb b/doc/transcode.rb
new file mode 100644
index 0000000000..2c70a250e9
--- /dev/null
+++ b/doc/transcode.rb
@@ -0,0 +1,50 @@
+class String
+  # call-seq:
+  #   encode(dst_encoding = Encoding.default_internal, **enc_opts) -> string
+  #   encode(dst_encoding, src_encoding, **enc_opts)   -> string
+  #
+  # Returns a copy of +self+ transcoded as determined by +dst_encoding+.
+  # By default, raises an exception if +self+
+  # contains an invalid byte or a character not defined in +dst_encoding+;
+  # that behavior may be modified by encoding options; see below.
+  #
+  # With no arguments:
+  #
+  # - Uses the same encoding if <tt>Encoding.default_internal</tt> is +nil+
+  #   (the default):
+  #
+  #     Encoding.default_internal # => nil
+  #     s = "Ruby\x99".force_encoding('Windows-1252')
+  #     s.encoding                # => #<Encoding:Windows-1252>
+  #     s.bytes                   # => [82, 117, 98, 121, 153]
+  #     t = s.encode              # => "Ruby\x99"
+  #     t.encoding                # => #<Encoding:Windows-1252>
+  #     t.bytes                   # => [82, 117, 98, 121, 226, 132, 162]
+  #
+  # - Otherwise, uses the encoding <tt>Encoding.default_internal</tt>:
+  #
+  #     Encoding.default_internal = 'UTF-8'
+  #     t = s.encode              # => "Ruby™"
+  #     t.encoding                # => #<Encoding:UTF-8>
+  #
+  # With only argument +dst_encoding+ given, uses that encoding:
+  #
+  #   s = "Ruby\x99".force_encoding('Windows-1252')
+  #   s.encoding            # => #<Encoding:Windows-1252>
+  #   t = s.encode('UTF-8') # => "Ruby™"
+  #   t.encoding            # => #<Encoding:UTF-8>
+  #
+  # With arguments +dst_encoding+ and +src_encoding+ given,
+  # interprets +self+ using +src_encoding+, encodes the new string using +dst_encoding+:
+  #
+  #   s = "Ruby\x99"
+  #   t = s.encode('UTF-8', 'Windows-1252') # => "Ruby™"
+  #   t.encoding                            # => #<Encoding:UTF-8>
+  #
+  # Optional keyword arguments +enc_opts+ specify encoding options;
+  # see {Encoding Options}[rdoc-ref:encoding.rdoc@Encoding+Options].
+  def encode(dst_encoding = Encoding.default_internal, **enc_opts)
+    # Pseudo code
+    Builtin.str_transcode!(...)
+  end
+end
diff --git a/transcode.c b/transcode.c
index 400ad13775..7a080875d6 100644
--- a/transcode.c
+++ b/transcode.c
@@ -2830,54 +2830,6 @@ str_encode_bang(int argc, VALUE *argv, VALUE str)
 
 static VALUE encoded_dup(VALUE newstr, VALUE str, int encidx);
 
-/*
- *  call-seq:
- *    encode(dst_encoding = Encoding.default_internal, **enc_opts) -> string
- *    encode(dst_encoding, src_encoding, **enc_opts)   -> string
- *
- *  Returns a copy of +self+ transcoded as determined by +dst_encoding+.
- *  By default, raises an exception if +self+
- *  contains an invalid byte or a character not defined in +dst_encoding+;
- *  that behavior may be modified by encoding options; see below.
- *
- *  With no arguments:
- *
- *  - Uses the same encoding if <tt>Encoding.default_internal</tt> is +nil+
- *    (the default):
- *
- *      Encoding.default_internal # => nil
- *      s = "Ruby\x99".force_encoding('Windows-1252')
- *      s.encoding                # => #<Encoding:Windows-1252>
- *      s.bytes                   # => [82, 117, 98, 121, 153]
- *      t = s.encode              # => "Ruby\x99"
- *      t.encoding                # => #<Encoding:Windows-1252>
- *      t.bytes                   # => [82, 117, 98, 121, 226, 132, 162]
- *
- *  - Otherwise, uses the encoding <tt>Encoding.default_internal</tt>:
- *
- *      Encoding.default_internal = 'UTF-8'
- *      t = s.encode              # => "Ruby™"
- *      t.encoding                # => #<Encoding:UTF-8>
- *
- *  With only argument +dst_encoding+ given, uses that encoding:
- *
- *    s = "Ruby\x99".force_encoding('Windows-1252')
- *    s.encoding            # => #<Encoding:Windows-1252>
- *    t = s.encode('UTF-8') # => "Ruby™"
- *    t.encoding            # => #<Encoding:UTF-8>
- *
- *  With arguments +dst_encoding+ and +src_encoding+ given,
- *  interprets +self+ using +src_encoding+, encodes the new string using +dst_encoding+:
- *
- *    s = "Ruby\x99"
- *    t = s.encode('UTF-8', 'Windows-1252') # => "Ruby™"
- *    t.encoding                            # => #<Encoding:UTF-8>
- *
- *  Optional keyword arguments +enc_opts+ specify encoding options;
- *  see {Encoding Options}[rdoc-ref:encoding.rdoc@Encoding+Options].
- *
- */
-
 static VALUE
 str_encode(int argc, VALUE *argv, VALUE str)
 {
-- 
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