in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.

  7. Additional Terms.

  "Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.

pkg go/ast, type KeyValueExpr struct, Key Expr
pkg go/ast, type KeyValueExpr struct, Value Expr
pkg go/ast, type LabeledStmt struct
pkg go/ast, type LabeledStmt struct, Colon token.Pos
pkg go/ast, type LabeledStmt struct, Label *Ident
pkg go/ast, type LabeledStmt struct, Stmt Stmt
pkg go/ast, type MapType struct
pkg go/ast, type MapType struct, Key Expr
pkg go/ast, type MapType struct, Map token.Pos

$result: $result * $factor * $sign;\n  $dividend-unit: unit($dividend);\n  $divisor-unit: unit($divisor);\n  $unit-map: (\n    \"px\": 1px,\n    \"rem\": 1rem,\n    \"em\": 1em,\n    \"%\": 1%\n  );\n  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {\n    $result: $result * map-get($unit-map, $dividend-unit);\n  }\n  @return $result;\n}\n\n// Remove px-unit from $rfs-base-font-size for calculations\n@if $rfs-base-font-size-unit == \"px\" {\n  $rfs-base-font-size: d...