Definition of "reverse" []

• Turned backward in position, direction, or order. (adjective)
• Having the back showing or in view of the observer. (adjective)
• Moving, acting, or organized in a manner contrary to the usual. (adjective)
• Causing backward movement: a reverse gear. (adjective)
• Printing Printed in such a way that the normally colored part appears white against a colored or black background. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "$this-orig = false; function & reverse () $reverse = new diff_op_delete ($this-final); return $reverse;"
• "$this-final = false; function & reverse () $reverse = new diff_op_add ($this - orig); return $reverse;"
• "$this-final = $final; function & reverse () $reverse = new diff_op_change ($this - final, $this-orig); return $reverse;"