src/vs/editor/common/model/textModel.ts/TextModel/removeUnusualLineTerminators
class TextModel:	public removeUnusualLineTerminators(selections: Selection[] | null = null): void {
		const matches = this.findMatches(strings.UNUSUAL_LINE_TERMINATORS.source, false, true, false, null, false, Constants.MAX_SAFE_SMALL_INTEGER);
		this._buffer.resetMightContainUnusualLineTerminators();
		this.pushEditOperations(selections, matches.map(m => ({ range: m.range, text: null })), () => null);
	}