KeenWrite has many features, including user-defined interpolated strings; auto-complete variable names based on variable values; high-quality PDF exports; real-time spell check; real-time rendering of math using TeX notation; real-time document statistics (with CJK word separation); diagrams: Mermaid, GraphViz, UML, sequence, timing, and more; dark, custom, and responsive user interface skins; integrated file manager; interactive document outline; internationalized font support (e.g., Chinese, Japanese, Korean, etc.); support for Pandoc's fenced div extended attribute syntax; R integration; customizable user interface having detachable tabs; and is platform-independent (Windows, Linux, MacOS)
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