bin/shellplay in shellplay-0.1.6 vs bin/shellplay in shellplay-0.1.7

@@ -28,10 +28,12 @@
   puts "  <command>  execute a subcommand in a bash -l -c"
   puts "  x,q        quit"
   puts
 end
 
+# generic display method
+# 
 def display(screen)
   if screen.clearscreen
     if ENV['TERM_PROGRAM'] = 'iTerm.app'
       print "\e]50;ClearScrollback\a"
     else
@@ -57,10 +59,11 @@
   if screen.stderr != ""
     printf "\n#{Paint[screen.stderr, :red]}"
   end
 end
 
+# move to the next screen
 def shownext
   if @session.current_screen and @session.current_screen.stdin
     display @session.current_screen
     @session.next
   else
@@ -68,10 +71,11 @@
     @playprompt = false
     @lastelapsed = 0
   end
 end
 
+# move to the previous screen
 def showprevious
   if @session.pointer > 0
     @session.previous
     @session.previous
     display @session.current_screen
@@ -79,10 +83,11 @@
   else
     puts "There is no previous screen."
   end
 end
 
+# jump to an arbitrary screen
 def show(index)
   if @session.show(index) && @session.show(index).stdin
     display @session.show(index)
     @session.next
   else
@@ -91,9 +96,10 @@
   end
 end
 
 print "\n\e[33m>\e[0m Type <enter> to begin."
 
+# main loop
 while continue do
   command = STDIN.gets.strip
   case command
   when /^(?:q|x)$/
     puts "\nPlay ended.\n"