[DOC] Make documentation 100%

Author: nobu

.document

@@ -0,0 +1,6 @@
+LICENSE.txt
+NEWS.md
+README.md
+ext/
+lib/
+_doc/

.rdoc_options

@@ -0,0 +1 @@
+main_page: README.md

_doc/cgi.rb

@@ -0,0 +1,3 @@
+# See {CGI document}[https://docs.ruby-lang.org/en/master/CGI.html]
+module CGI
+end

ext/erb/escape/escape.c

@@ -65,9 +65,12 @@ optimized_escape_html(VALUE str)
     return escaped;
 }
 
-// ERB::Util.html_escape is different from CGI.escapeHTML in the following two parts:
-//   * ERB::Util.html_escape converts an argument with #to_s first (only if it's not T_STRING)
-//   * ERB::Util.html_escape does not allocate a new string when nothing needs to be escaped
+/*
+ * ERB::Util.html_escape is similar to CGI.escapeHTML but different in the following two parts:
+ *
+ * * ERB::Util.html_escape converts an argument with #to_s first (only if it's not T_STRING)
+ * * ERB::Util.html_escape does not allocate a new string when nothing needs to be escaped
+ */
 static VALUE
 erb_escape_html(VALUE self, VALUE str)
 {

lib/erb/def_method.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-#--
+
 # ERB::DefMethod
 #
 # Utility module to define eRuby script as instance method.

lib/erb/util.rb

@@ -1,9 +1,5 @@
 # frozen_string_literal: true
-#--
-# ERB::Escape
-#
-# A subset of ERB::Util. Unlike ERB::Util#html_escape, we expect/hope
-# Rails will not monkey-patch ERB::Escape#html_escape.
+
 begin
   # We don't build the C extension for JRuby, TruffleRuby, and WASM
   if $LOAD_PATH.resolve_feature_path('erb/escape')
@@ -12,6 +8,10 @@
 rescue LoadError # resolve_feature_path raises LoadError on TruffleRuby 22.3.0
 end
 unless defined?(ERB::Escape)
+  # ERB::Escape
+  #
+  # A subset of ERB::Util. Unlike ERB::Util#html_escape, we expect/hope
+  # Rails will not monkey-patch ERB::Escape#html_escape.
   module ERB::Escape
     def html_escape(s)
       CGI.escapeHTML(s.to_s)
@@ -20,7 +20,6 @@ def html_escape(s)
   end
 end
 
-#--
 # ERB::Util
 #
 # A utility module for conversion routines, often handy in HTML generation.