message: Bail to flat mode on new lines
diff: @@ -111,21 +111,21 @@ function print(token: Token, state: State, options: PrinterOptions): void {
  if (typeof token === 'string') {
  if (token !== '') {
  - // Print pending spaces
  - if (state.pendingSpaces.value > 0) {
  - write(' '.repeat(state.pendingSpaces.value), state);
  - state.pendingSpaces.value = 0;
  - }
  + let currentLine = state.generatedLine.value;
  - write(token, state);
  + state.buffer.push(token);
  - // If the line is too long, break the group if it is possible
  - if (
  - state.flat &&
  - ob1Get0(state.generatedColumn.value) > options.printWidth
  - ) {
  + if (state.flat) {
  + // If the line is too long, break the group
  + if (ob1Get0(state.generatedColumn.value) > options.printWidth) {
  throw new BreakError();
  }
  +
  + // If a new line was printed, break the group
  + if (currentLine !== state.generatedLine.value) {
  + throw new BreakError();
  + }
  + }
  }
  } else {
  switch (token.type) {
  