Version 6.2.0

• Breaking change: The Farkle.Builder.LALRBuildTypes module, as well as most functions of the Farkle.Builder.LALRBuild module became internal.
• Minor breaking change: Whitespace inside the "between", "at least" and "exactly n times" regex string quantifiers is no longer allowed. Using string regexes like \d{ 4} will cause an error.
• Minor breaking change: The Farkle.Builder.IRawDelegateProvider interface and a function in the Farkle.Builder.DFABuild module became private. They were public by accident and served no purpose for Farkle's users.
• Minor breaking change: Users that write their own tokenizers must ensure that CRLF line endings are Advanced at once, otherwise the character stream's position will be incorrect. The vast majority of use cases (those that doesn't involve custom tokenizers) will not be affected by this change.
• Minor breaking change: Terminals, literals, and groups that are case-insensitively named NewLine will have an underscore prepended to their name when built, making them _NewLine for example. This change is a temporary workaround for a design deficiency of Farkle, where these terminals could end line groups and comments. It will be thoroughly fixed in the next major version. Because these names are only used for diagnostics and documentation generation, parser behavior will not be affected by this change. Nor will grammars read by EGT files be changed.
• Minor breaking change: The \s and \S string regex symbol will now match exactly either horizontal tabs, line feeds, carriage returns or spaces. Other characters like vertical tabs and non-breaking spaces are no longer matched. This change matches Farkle's definition of whitespace. To revert to the previous behavior use \p{Whitespace} or \P{Whitespace}.
• Farkle's string regexes got many improvements and bug fixes, bringing their syntax closer -but not a 100% match- to popular regex languages. Take a look at the string regex reference for more details.
• The precompiler now works when used on a project targeting a framework earlier than .NET Core 3.1.
• The Position.Advance method got a new overload that accepts a ReadOnlySpan of characters. It is recommended over the existing one that accepts a single character because it reliably handles line endings.
• Building a grammar can now be cancelled by new functions introduced in Farkle.Builder's DFABuild, LALRBuild and DesigntimeFarkleBuild modules. Additionally the Build and BuildUntyped extension methods of designtime Farkles now accept an optional cancellation token.
• Fixed a bug where the wrong error position was sometimes reported on text with LF line endings.
• Fixed a bug where the wrong error position was reported on syntax errors.