For HTML documents, Atom 1.25 style attributes now are tokenized as CSS. For syntax highlighting and code-folding, an incremental parsing system, called tree-sitter, is available in beta form.

It took 18 months, 155 releases, and the efforts of hundreds of contributors to get here, but version 1.0 of GitHub's Atom text editor is now available. First released to open source in May 2014, Atom ...

Interestingly, both Atom and the No. 1 code editor on that list, Visual Studio Code, are based on the Electron project for creating cross-platform desktop apps with JavaScript, HTML and CSS Web ...

Visual Studio Code is built primarily with standard web technology (HTML, CSS, JavaScript). We leverage Electron [previously Atom] as a cross platform host.