syntect breaking changes

• v4.7.1 \u2192 v5.0.0breaking

  Lazy-load syntaxes to significantly improve startup time. This changes the binary format of syntax dump files.

• v4.7.1 \u2192 v5.0.0breaking

  Remove `ContextId::new()` from public API to support lazy-loading of syntaxes

• v4.7.1 \u2192 v5.0.0breaking

  Rename `HighlightLines::highlight()` to `HighlightLines::highlight_line()` to make it clear that the function takes one line at a time

• v4.7.1 \u2192 v5.0.0breaking

  Make `plist` dependency (used for loading themes) optional via new `plist-load` feature

• v4.7.1 \u2192 v5.0.0breaking

  Remove obsolete `dump-load-rs` and `dump-create-rs` features that has been identical to `dump-load` and `dump-create` for two years

• v3.3.0 \u2192 v4.0.0breaking

  **Edit March 30:** If you generate custom pack files and want to use fancy-regex you need to regenerate them. The binary format is the same but at YAML loading time regex rewrites get applied that make fancy-regex work properly.

• v3.3.0 \u2192 v4.0.0breaking

  If you use `default-features = false` you may need to update your features to choose a regex engine

• v3.3.0 \u2192 v4.0.0breaking

  A bunch of technically public APIs that I don't know if anyone uses changed due to the regex engine refactor, common uses shouldn't break

• v2.1.0 \u2192 v3.0.0breaking

  The `SyntaxSet` API has been revamped to use a builder and an arena of contexts. See [example usage](https://github.com/trishume/syntect/blob/51208d35a6d98c07468fbe044d5c6f37eb129205/examples/gendata.rs#L25-L28).

• v2.1.0 \u2192 v3.0.0breaking

  Many functions now need to be passed the `SyntaxSet` that goes with the rest of their arguments because of this new arena.

• v2.1.0 \u2192 v3.0.0breaking

  Filename added to `LoadingError::ParseSyntax`

• v2.1.0 \u2192 v3.0.0breaking

  Many functions in the `html` module now take the `newlines` version of syntaxes.

• v2.1.0 \u2192 v3.0.0breaking

  These methods have also been renamed, partially so that code that needs updating doesn't break without a compile error.

• v1.8.2 \u2192 v2.0.0breaking

  The `static-onig` feature was removed, static linking is now the default

• v1.8.2 \u2192 v2.0.0breaking

  Font styles and color constants now use associated consts because of bitflags upgrade

• v1.8.2 \u2192 v2.0.0breaking

  SyntaxDefinition::load_from_str now has an extra parameter Other notable changes:

• v1.8.2 \u2192 v2.0.0breaking

  Support for new `embed` syntax #124

• v1.8.2 \u2192 v2.0.0breaking

  Updates to many dependencies

Get this data programmatically \u2014 free, no authentication.