Webel Parsing Analysis for SysML: "Snippet trumps Requirement": A SysML Requirement element is just another model element that is elicited IN PARALLEL WITH other elements that a text description mentions in any way as being involved with or related to it.
SysMLv1 (or v2): CHALLENGE EXERCISE: Simplified Parsing Analysis breakdown of 'Build an Airport' with variations
Webel Parsing Analysis: A Snippet (keyword «snippet») MUST always have exactly one domain 'source' Document (keyword «document»).
Webel Parsing Analysis: A custom Document stereotype (keyword «document») extends the UML standard profile Document that extends Artifact (which is NOT in the UML4SysML intersection). Such a Document may act as the 'source' of a «snippet».
Webel Parsing Analysis: If you wish to show a «snippet» comment symbol (with its body text) in a presentation diagram (that is NOT a «pa» diagram) remove the '/member' tagged value from display so the only visible tagged value is 'source'.