Adds headings for methods in the output of `ls` command of Pry. It was rejected, because for most people it looks unpleasant.

pry_ls_headings.diff

commit e2503bc03d983f2e095bd04c7c3de7ca9b6a2e71
Author: Kyrylo Silin <kyrylosilin@gmail.com>
Date:   Sun Jan 13 17:37:36 2013 +0200

    Ls: slightly change the styling of heading methods

diff --git a/lib/pry/commands/ls.rb b/lib/pry/commands/ls.rb
index 5349e9e..5bf35f7 100644
--- a/lib/pry/commands/ls.rb
+++ b/lib/pry/commands/ls.rb
@@ -348,8 +348,8 @@ class Pry
         end
         indices
       }.map { |i|
-        body[i][0] = "\e[1;7m#{ body[i][0] }\e[0m"
-        body[i][11..-1] = "\e[4m#{ body[i][11..-1] }\e[0m"
+        body[i][1..-1] = "\e[1m#{ body[i][1..-1] }\e[0m"
+        body[i][0]     = "\e[32;1m#{ body[i][0] }\e[0m"
       }
     end
   end

commit 1c33a7396486b1f2a76521bf5b34239d8305184e
Author: Kyrylo Silin <kyrylosilin@gmail.com>
Date:   Sun Jan 13 00:02:48 2013 +0200

    Add headings for methods in the output of `ls`
    
    You will see headings when a table has more than 35 methods.
    Otherwise, there is no need in them.

diff --git a/lib/pry/commands/ls.rb b/lib/pry/commands/ls.rb
index 156199b..648b387 100644
--- a/lib/pry/commands/ls.rb
+++ b/lib/pry/commands/ls.rb
@@ -296,6 +296,9 @@ class Pry
     def output_section(heading, body)
       return "" if body.compact.empty?
       table = Pry::Helpers.tablify_to_screen_width(body)
+      if heading =~ /.+methods\z/ && body.size >= 36
+        paint_heading_methods(body)
+      end
       "#{text.bold(color(:heading, heading))}: \n#{table}\n"
     end
 
@@ -303,6 +306,22 @@ class Pry
     def color(type, str)
       text.send(Pry.config.ls.send(:"#{type}_color"), str)
     end
+
+    # The true place for this method is {Pry::Helpers::Table}. Both JRuby and
+    # Rubinius don't like it when it's there, for some reason. *shrugs*
+    def paint_heading_methods(body)
+      cur = ''
+      body.each_with_index.inject([]) { |indices, (method, idx)|
+        if method[0] != cur && method[0] =~ /[a-z]/
+          indices << idx
+          cur = method[0]
+        end
+        indices
+      }.map { |i|
+        body[i][0] = "\e[1;7m#{ body[i][0] }\e[0m"
+        body[i][11..-1] = "\e[4m#{ body[i][11..-1] }\e[0m"
+      }
+    end
   end
 
   Pry::Commands.add_command(Pry::Command::Ls)

Screenshots: pry/pry#782 (comment)