QED.rdoc in ansi-1.4.1 vs QED.rdoc in ansi-1.4.2

@@ -46,35 +46,22 @@
 
 The ANSI::Code module supports most standard ANSI codes, though
 not all platforms support every code, so YMMV.
 
 
-= ANSI::BBCode
+= String Extensions
 
-The BBCode module provides methods for converting between
-BBCodes, basic HTML and ANSI codes.
+In addition the library offers an extension to String class
+called #ansi, which allows some of the ANSI::Code methods
+to be called in a more object-oriented fashion.
 
-  require 'ansi/bbcode'
+  require 'ansi/core'
 
-BBCodes are color and style codes in square brackets, quite
-popular with on line forums.
+  str = "Hello".ansi(:red) + "World".ansi(:blue)
+  str.assert == "\e[31mHello\e[0m\e[34mWorld\e[0m"
 
-  bbcode = "this is [COLOR=red]red[/COLOR], this is [B]bold[/B]"
 
-We can convert this to ANSI code simply enough:
-
-  ansi = ANSI::BBCode.bbcode_to_ansi(bbcode)
-
-  ansi.assert == "this is \e[0;31mred\e[0m, this is \e[1mbold\e[0m\n"
-
-In addition the BBCode module supports conversion to simple HTML.
-
-  html = ANSI::BBCode.bbcode_to_html(bbcode)
-
-  html.assert == "this is <font color=\"red\">red</font>, this is <strong>bold</strong><br />\n"
-
-
 = ANSI::Logger
 
 Require the ANSI::Logger library.
 
   require 'ansi/logger'
@@ -382,17 +369,87 @@
   | 50 | 40 | 20 |
   +----+----+----+
 
 
 
-= String Extensions
+= ANSI::Diff
 
-In addition the library offers an extension to String class
-called #ansi, which allows some of the ANSI::Code methods
-to be called in a more object-oriented fashion.
+  require 'ansi/diff'
 
-  require 'ansi/core'
+  a = 'abcYefg'
+  b = 'abcXefg'
 
-  str = "Hello".ansi(:red) + "World".ansi(:blue)
-  str.assert == "\e[31mHello\e[0m\e[34mWorld\e[0m"
+  diff = ANSI::Diff.new(a,b)
+
+  diff.to_s.assert == "\e[31mabc\e[0m\e[33mYefg\e[0m\n\e[31mabc\e[0mXefg"
+
+Try another.
+
+  a = 'abc'
+  b = 'abcdef'
+
+  diff = ANSI::Diff.new(a,b)
+
+  diff.to_s.assert == "\e[31mabc\e[0m\n\e[31mabc\e[0mdef"
+
+And another.
+
+  a = 'abcXXXghi'
+  b = 'abcdefghi'
+
+  diff = ANSI::Diff.new(a,b)
+
+  diff.to_s.assert == "\e[31mabc\e[0m\e[33mXXXghi\e[0m\n\e[31mabc\e[0mdefghi"
+
+And another.
+
+  a = 'abcXXXdefghi'
+  b = 'abcdefghi'
+
+  diff = ANSI::Diff.new(a,b)
+
+  diff.to_s.assert == "\e[31mabc\e[0m\e[33mXXX\e[0m\e[35mdefghi\e[0m\n\e[31mabc\e[0m\e[35mdefghi\e[0m"
+
+Comparison that is mostly different.
+
+  a = 'abcpppz123'
+  b = 'abcxyzzz43'
+
+  diff = ANSI::Diff.new(a,b)
+
+  diff.to_s.assert == "\e[31mabc\e[0m\e[33mpppz123\e[0m\n\e[31mabc\e[0mxyzzz43"
+
+
+= ANSI::BBCode
+
+The BBCode module provides methods for converting between
+BBCodes, basic HTML and ANSI codes.
+
+  require 'ansi/bbcode'
+
+BBCodes are color and style codes in square brackets, quite
+popular with on line forums.
+
+  bbcode = "this is [COLOR=red]red[/COLOR], this is [B]bold[/B]"
+
+We can convert this to ANSI code simply enough:
+
+  ansi = ANSI::BBCode.bbcode_to_ansi(bbcode)
+
+  ansi.assert == "this is \e[0;31mred\e[0m, this is \e[1mbold\e[0m\n"
+
+In addition the BBCode module supports conversion to simple HTML.
+
+  html = ANSI::BBCode.bbcode_to_html(bbcode)
+
+  html.assert == "this is <font color=\"red\">red</font>, this is <strong>bold</strong><br />\n"
+
+
+= ANSI::Terminal
+
+We should be ables to get the terminal width via the `terminal_width` method.
+
+  width = ANSI::Terminal.terminal_width
+
+  Fixnum.assert === width