error: Stylesheet
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | / div {
2 | |     prod: fn(100px);
3 | |     prod: --fn(100px);
4 | |     prod: --fn--fn(100px);
5 | | }
  | |__^

error: Rule
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | / div {
2 | |     prod: fn(100px);
3 | |     prod: --fn(100px);
4 | |     prod: --fn--fn(100px);
5 | | }
  | |_^

error: QualifiedRule
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | / div {
2 | |     prod: fn(100px);
3 | |     prod: --fn(100px);
4 | |     prod: --fn--fn(100px);
5 | | }
  | |_^

error: SelectorList
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: ComplexSelector
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: CompoundSelector
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: TypeSelector
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: TagNameSelector
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: WqName
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:1:1
  |
1 | div {
  | ^^^

error: SimpleBlock
 --> $DIR/tests/fixture/function/unknown/input.css:1:5
  |
1 |   div {
  |  _____^
2 | |     prod: fn(100px);
3 | |     prod: --fn(100px);
4 | |     prod: --fn--fn(100px);
5 | | }
  | |_^

error: Declaration
 --> $DIR/tests/fixture/function/unknown/input.css:2:5
  |
2 |     prod: fn(100px);
  |     ^^^^^^^^^^^^^^^

error: DeclarationName
 --> $DIR/tests/fixture/function/unknown/input.css:2:5
  |
2 |     prod: fn(100px);
  |     ^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:2:5
  |
2 |     prod: fn(100px);
  |     ^^^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:2:11
  |
2 |     prod: fn(100px);
  |           ^^^^^^^^^

error: Function
 --> $DIR/tests/fixture/function/unknown/input.css:2:11
  |
2 |     prod: fn(100px);
  |           ^^^^^^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:2:11
  |
2 |     prod: fn(100px);
  |           ^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:2:14
  |
2 |     prod: fn(100px);
  |              ^^^^^

error: Dimension
 --> $DIR/tests/fixture/function/unknown/input.css:2:14
  |
2 |     prod: fn(100px);
  |              ^^^^^

error: Length
 --> $DIR/tests/fixture/function/unknown/input.css:2:14
  |
2 |     prod: fn(100px);
  |              ^^^^^

error: Number
 --> $DIR/tests/fixture/function/unknown/input.css:2:14
  |
2 |     prod: fn(100px);
  |              ^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:2:17
  |
2 |     prod: fn(100px);
  |                 ^^

error: Declaration
 --> $DIR/tests/fixture/function/unknown/input.css:3:5
  |
3 |     prod: --fn(100px);
  |     ^^^^^^^^^^^^^^^^^

error: DeclarationName
 --> $DIR/tests/fixture/function/unknown/input.css:3:5
  |
3 |     prod: --fn(100px);
  |     ^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:3:5
  |
3 |     prod: --fn(100px);
  |     ^^^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:3:11
  |
3 |     prod: --fn(100px);
  |           ^^^^^^^^^^^

error: Function
 --> $DIR/tests/fixture/function/unknown/input.css:3:11
  |
3 |     prod: --fn(100px);
  |           ^^^^^^^^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:3:11
  |
3 |     prod: --fn(100px);
  |           ^^^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:3:16
  |
3 |     prod: --fn(100px);
  |                ^^^^^

error: Dimension
 --> $DIR/tests/fixture/function/unknown/input.css:3:16
  |
3 |     prod: --fn(100px);
  |                ^^^^^

error: Length
 --> $DIR/tests/fixture/function/unknown/input.css:3:16
  |
3 |     prod: --fn(100px);
  |                ^^^^^

error: Number
 --> $DIR/tests/fixture/function/unknown/input.css:3:16
  |
3 |     prod: --fn(100px);
  |                ^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:3:19
  |
3 |     prod: --fn(100px);
  |                   ^^

error: Declaration
 --> $DIR/tests/fixture/function/unknown/input.css:4:5
  |
4 |     prod: --fn--fn(100px);
  |     ^^^^^^^^^^^^^^^^^^^^^

error: DeclarationName
 --> $DIR/tests/fixture/function/unknown/input.css:4:5
  |
4 |     prod: --fn--fn(100px);
  |     ^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:4:5
  |
4 |     prod: --fn--fn(100px);
  |     ^^^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:4:11
  |
4 |     prod: --fn--fn(100px);
  |           ^^^^^^^^^^^^^^^

error: Function
 --> $DIR/tests/fixture/function/unknown/input.css:4:11
  |
4 |     prod: --fn--fn(100px);
  |           ^^^^^^^^^^^^^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:4:11
  |
4 |     prod: --fn--fn(100px);
  |           ^^^^^^^^

error: Value
 --> $DIR/tests/fixture/function/unknown/input.css:4:20
  |
4 |     prod: --fn--fn(100px);
  |                    ^^^^^

error: Dimension
 --> $DIR/tests/fixture/function/unknown/input.css:4:20
  |
4 |     prod: --fn--fn(100px);
  |                    ^^^^^

error: Length
 --> $DIR/tests/fixture/function/unknown/input.css:4:20
  |
4 |     prod: --fn--fn(100px);
  |                    ^^^^^

error: Number
 --> $DIR/tests/fixture/function/unknown/input.css:4:20
  |
4 |     prod: --fn--fn(100px);
  |                    ^^^

error: Ident
 --> $DIR/tests/fixture/function/unknown/input.css:4:23
  |
4 |     prod: --fn--fn(100px);
  |                       ^^