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QUIRKS.md

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Quirks & Irregularities

Syntax choices that make the grammar hard to parse and represent as AST in a way that is easy to maintain:

  • d2:relationshipCount is the only function expecting a quoted UID
  • a programRuleStringVariableName is any string and only identifiable having a special meaning by its position as argument to certain functions
  • PS_EVENTDATE: is a tag for a UID for a dataResolver value but does not use the #{...} wrapper and can therefore easily be confused for a named function
  • functions accepting dataResolver item values do not accept all dataResolver item value types that can occur on top level.
  • the de:*-functions contain : which is hard to distinguish from a tag
  • orgUnit.*-functions contain . which is hard to distinguish from a method