Notes

The Notes app is three things in one window, and each one appears only when it applies:

• a text editor to change any file on the NAS without downloading it to your computer;
• a notebook of linked notes, Obsidian-style, to write down and connect ideas;
• a code editor with syntax highlighting, which switches on when you open a programming file.

It opens from the panel desktop, and text files opened from the Files app also land here.

Opening, saving and tabs

• Open browses your shared folders, just like Files. Each file opens in its own tab; the same file never opens twice (two tabs of the same file would overwrite each other on save).
• The amber dot on a tab means "unsaved". Ctrl+S saves; Save as picks another place or name.
• If someone changed the file while you had it open (from another browser, or over the network from a computer), Notes never writes over it silently: it tells you and you decide.
• Line endings are kept exactly as they were: a .bat or an Excel .csv saved from here keeps behaving the same.
• Closing the window with unsaved tabs asks first; nothing is lost silently.
• The server only opens text (UTF-8) up to 2 MiB: a photo or a video is not a notepad's business, and when something cannot be opened, the reason is stated.

The notebook: notes that link to each other

The notebook turns one of your folders into a book of related notes. You switch it on once, choosing the folder in the side panel (the leftmost button of the toolbar shows and hides it); with no notebook chosen, Notes is the plain editor of always and stays out of the way.

• Notes are ordinary Markdown files (.md): yours, in your folder, readable from anywhere. An .md note opens rendered (for reading); editing is one click away, in the Edit/View switch.
• [[Internal links]]: type [[ and the list of your notes appears to autocomplete. In the view, the link is clickable and opens the note; if it points to a note that does not exist yet, Notes offers to create it on the spot.
• The graph draws the whole notebook: every note is a dot and every link a line. It shows at a glance what is connected to what, and any note opens from it.
• #tags written in the text are clickable in the view and filter the note list in the side panel.
• Tasks (- [ ] buy salt) render as checkboxes in the view and are ticked with a click. Ticking one edits the exact line of the text and becomes "unsaved", like any other change: you decide when it hits the disk.
• The Insert menu drops in the most-typed things in one piece: a heading, a task, a table, an internal link, today's date or a divider.
• With a rendered note in front, the right side shows its outline of headings (click to jump) and its relations with the other notes.

The code editor

When you open a programming file — .html, .css, .php, .js, .ts, .py, .java, .c, .cpp, .go, .rs, .sql, .xml, .json, .yaml, shell scripts and dozens more — Notes switches by itself to a real code editor:

• Syntax highlighting for the file's language, with real line numbers and the current line marked.
• Block folding from the margin: a function or a section folds away with the little arrow next to the line number.
• Matching brackets and braces: putting the cursor on one lights up the other.
• Its own find & replace (Ctrl+F inside the editor): case sensitivity if you want it, regular expression search, replace one by one or all at once.
• Column selection: drag while holding Alt to edit several lines at once. Selecting a word highlights its repetitions across the whole file.
• Tab indents the line (Shift+Tab un-indents). To leave the editor with the keyboard: Escape, then Tab.
• The status bar shows the detected language and the cursor's line and column — the first thing you look for when an error comes with a line number.

None of this weighs anything until needed: the code editor and each language download the first time you open a file of that kind. Writing a note stays as light as ever, also over VPN from your phone.

Settings that are remembered

• Font size (the two A buttons) and line wrapping persist between sessions.
• In the light editor, with wrapping off you get line numbers; with it on they hide, because a line broken into three rows would make them lie.
• The light editor's finder (the magnifier) searches the text as-is — case-insensitive — and replaces one or all; the code editor brings its own, more powerful one.

Limits, said out loud

• 2 MiB cap per file and UTF-8 text only: it is a notepad, not a binary manager. For moving big files there is the Files app.
• The rendered view switches off on huge files (from ~256 KiB): a note that size is not read rendered, it is searched, and that is what the editor is for.
• The notebook reads the notes of ONE chosen folder (not its subfolders: notebook notes live at its root). You can change folders any time from the side panel.

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