Specify explicit separator not to be affected by $;

Author: nobu

lib/rdoc/markup/pre_process.rb

@@ -178,7 +178,7 @@ def handle_directive prefix, directive, param, code_object = nil,
 
       blankline
     when 'include' then
-      filename = param.split.first
+      filename = param.split(' ', 2).first
       include_file filename, prefix, encoding
     when 'main' then
       @options.main_page = param if @options.respond_to? :main_page

lib/rdoc/rdoc.rb

@@ -256,7 +256,7 @@ def parse_dot_doc_file in_dir, filename
 
     result = []
 
-    patterns.split.each do |patt|
+    patterns.split(' ').each do |patt|
       candidates = Dir.glob(File.join(in_dir, patt))
       result.concat normalized_file_list(candidates, false, @options.exclude)
     end

lib/rdoc/ri/driver.rb

@@ -356,7 +356,7 @@ def self.process_args argv
       end
     end
 
-    argv = ENV['RI'].to_s.split.concat argv
+    argv = ENV['RI'].to_s.split(' ').concat argv
 
     opts.parse! argv
 
@@ -1521,7 +1521,7 @@ def setup_pager
     pagers.compact.uniq.each do |pager|
       next unless pager
 
-      pager_cmd = pager.split.first
+      pager_cmd = pager.split(' ').first
 
       next unless in_path? pager_cmd
 

lib/rdoc/rubygems_hook.rb

@@ -158,7 +158,7 @@ def generate
 
     case config_args = Gem.configuration[:rdoc]
     when String then
-      args = args.concat config_args.split
+      args = args.concat config_args.split(' ')
     when Array then
       args = args.concat config_args
     end