or a Contribution incorporated within the Work constitutes direct
      or contributory patent infringement, then any patent licenses
      granted to You under this License for that Work shall terminate
      as of the date such litigation is filed.

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      or a Contribution incorporated within the Work constitutes direct
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	for i, arg := range args {
		argMap[macro.args[i]] = arg
	}
	return argMap
}

// collectArgument returns the actual tokens for a single argument of a macro.
// It also returns the token that terminated the argument, which will always
// be either ',' or ')'. The starting '(' has been scanned.
func (in *Input) collectArgument(macro *Macro) ([]Token, ScanToken) {
	nesting := 0
	var tokens []Token
	for {

The benefit of raising an exception over `return`ing a value will be more evident in the section about Dependencies and Security.

      or a Contribution incorporated within the Work constitutes direct
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      granted to You under this License for that Work shall terminate
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      or a Contribution incorporated within the Work constitutes direct
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      as of the date such litigation is filed.

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      or a Contribution incorporated within the Work constitutes direct
      or contributory patent infringement, then any patent licenses
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      or a Contribution incorporated within the Work constitutes direct
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      or a Contribution incorporated within the Work constitutes direct
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      Work or Derivative Works thereof in any medium, with or without