[DOC] get rid of parsing as TIDYLINK unintentionally

lib/irb.rb

@@ -271,7 +271,7 @@ require "irb/easter-egg"
 # On the other hand, each conf in IRB@Command+line+options is used to
 # individually configure IRB.irb.
 #
-# If a proc is set for IRB.conf[:IRB_RC], its will be invoked after execution
+# If a proc is set for <code>IRB.conf[:IRB_RC]</code>, its will be invoked after execution
 # of that proc with the context of the current session as its argument. Each
 # session can be configured using this mechanism.
 #
@@ -399,7 +399,7 @@ module IRB
     irb.run(@CONF)
   end
 
-  # Calls each event hook of IRB.conf[:AT_EXIT] when the current session quits.
+  # Calls each event hook of <code>IRB.conf[:TA_EXIT]</code> when the current session quits.
   def IRB.irb_at_exit
     @CONF[:AT_EXIT].each{|hook| hook.call}
   end

lib/irb/context.rb

@@ -240,7 +240,7 @@ module IRB
     attr_accessor :ignore_eof
     # Whether to echo the return value to output or not.
     #
-    # Uses IRB.conf[:ECHO] if available, or defaults to +true+.
+    # Uses <code>IRB.conf[:ECHO]</code> if available, or defaults to +true+.
     #
     #     puts "hello"
     #     # hello
@@ -251,7 +251,7 @@ module IRB
     attr_accessor :echo
     # Whether to echo for assignment expressions
     #
-    # Uses IRB.conf[:ECHO_ON_ASSIGNMENT] if available, or defaults to +false+.
+    # Uses <code>IRB.conf[:ECHO_ON_ASSIGNMENT]</code> if available, or defaults to +false+.
     #
     #     a = "omg"
     #     IRB.CurrentContext.echo_on_assignment = true
@@ -260,7 +260,7 @@ module IRB
     attr_accessor :echo_on_assignment
     # Whether a newline is put before multiline output.
     #
-    # Uses IRB.conf[:NEWLINE_BEFORE_MULTILINE_OUTPUT] if available,
+    # Uses <code>IRB.conf[:NEWLINE_BEFORE_MULTILINE_OUTPUT]</code> if available,
     # or defaults to +true+.
     #
     #     "abc\ndef"

lib/irb/ext/use-loader.rb

@@ -47,7 +47,7 @@ module IRB
     alias use_loader? use_loader
 
     remove_method :use_loader= if method_defined?(:use_loader=)
-    # Sets IRB.conf[:USE_LOADER]
+    # Sets <code>IRB.conf[:USE_LOADER]</code>
     #
     # See #use_loader for more information.
     def use_loader=(opt)