In software development (and, by extension, in content-editing environments, especially wikis, that make use of the software development process of revision control), reversion or reverting is the abandonment of one or more recent changes in favor of a return to a previous version of the material at hand (typically software source code in the context of application development; HTML, CSS or script code in the context of web development; or content and formatting thereof in the context of wikis).
A revert may be done for a wide variety of reasons, including: fixing errors introduced by previous edits; restoring the material to a state that was not contentious until new disputes can be resolved; undoing scope creep; regression testing; and even petty malice, vandalistic intent, or personal unhappiness with the author of a previous change. While the process is generally agreed to be a sound and sometimes necessary one, particular instantiations of its use may be at least as controversial as the changes being reverted.
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Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction