Name: Output Requirements: Preserve Everything which is Possible
Type: requirement
Invented on: 2010-12-27
Invented by: flonatel
Owner: development
Description: When changing an already existing requirement, everything
 which is possible \textbf{must} be preserved.
Rationale: This is especially true for comments and empty lines.
Status: not done
Priority: development:10
Effort estimation: 21
Topic: Output
