13. The system of claim 12 , wherein the customization of the code snippet includes automatic replacement of indicated text characters in the code snippet with information contained in or derived from the command set.
12. A system for automatically identifying and filling in source code snippets based upon a context of a user in a development environment, the system comprising: one or more processors configured to provide: a code editor that accepts user input comprising source code; a code modification command set that: identifies an existing code snippet associated with the user's current context within the development environment; duplicates and inserts the code snippet into the code editor and automatically customizes the code snippet based upon the code modification command set used by replacing one or more characters in the snippet with user indicated characters; electronic memory that stores textual information including existing code snippets and transformed code snippets; and an electronic display that displays textual information including existing code snippets and transformed code snippets, the electronic display comprising a plurality of light emitting circuits; wherein said code modification command set transforms a portion of said plurality of light emitting circuits to display customized code snippets.