- WebCrypto keyring (PBKDF2 600k + AES-GCM master key) and per-note/per-image keys
- Encrypt/decrypt commands convert the note and its own images, deleting the originals
- Unlock, setup and change-password dialogs; manual lock; lock on page close
- Encrypted images are decrypted to blob URLs; pasted images are encrypted before upload
- Rewrite image links in the browser when renaming an encrypted note
- Skip local drafts for encrypted notes and confirm before closing with unsaved changes
- Show encrypted notes as locked with an explanation outside secure contexts
- Parser extensions shared by the editor and the HTML renderer: ==highlight==, $inline math$
(Pandoc rules, so amounts like $5 are not math), $$ math blocks, footnote references and
definitions, [TOC], and YAML front matter
- Live preview: highlight, superscript/subscript, emoji names (gemoji), footnote references
with the definition as tooltip, a clickable table of contents, styled front matter
- Math (KaTeX) and Mermaid render in place; while editing a block the source is shown with a
live preview below. KaTeX, Mermaid and the emoji table are loaded only when a note uses them
- KaTeX is pinned to 0.18 so Mermaid shares the same copy
- Move editor focus tracking out of table.ts so block widgets and tables use the same state
- Copy button in the top-right of fenced code blocks, with execCommand
fallback when the Clipboard API is unavailable over plain HTTP
- Mod-A inside a code block selects the block content first; pressing
it again selects the whole document
- Paint code block backgrounds on a ::before layer below CodeMirror's
selection layer so selections inside code blocks are visible
- Table toolbar sits in reserved space above the table instead of
overlapping it, with grouped icon buttons
- Top-level GFM tables render as an editable widget: click a cell to
edit its Markdown source, Tab/Enter/arrows to navigate, toolbar to
insert/delete rows and columns or switch to source
- Structural table edits are isolated undo steps; focus is restored
after the widget is rebuilt
- Clicking an image moves the cursor to its syntax to reveal the source
- Renderer escapes raw HTML and filters dangerous URL schemes by default
- CodeMirror 6 editor with Obsidian/Typora-style live preview: block
markup revealed per line, inline markup revealed per element
- Fenced code highlighting via Shiki (github-dark, JS regex engine) in a
Web Worker, languages loaded on demand
- Lezer syntax tree to HTML renderer for share pages, checked against
the CommonMark 0.31.2 spec (640/652; 12 known parser deviations)
- Use markdownLanguage directly to avoid bundling lang-html/css/js
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