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off the loop (one undo step, a failure changes nothing, its stderr in +Errors, a 9P write answered when done), X and Y over the open text panes, b B D e r f w and the "file" address; checked against sam -d, and the reference's Edit section and Coming from acme row say so
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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unsaved state, a scroll and a cursor each; an edit in either is spliced into both at File.setContentSpan, O(the edit) more, and what a Save, a get, the disk watch or a rename changes on one is copied to the rest after each step
Twins share the content buffer, the History and, while it is one, the line
index; the other twin's cursor and scroll move past the splice as acme
moves a clone's q0. Del of one twin asks nothing while another holds the
text, Exit lists the text once, and a closed twin keeps a copy of its own
until it is torn down. Both are in the index, each its serial, one name.
An event reader on one hears no edit made through another (first cut).
A dump keeps the twins as two panes on the file, not linked again.
perf: edit-twin, typing beside a twin of the 50k-line file, gated within
3x of edit-char in the same run; the three baselines re-recorded for it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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counted (wrapping, clicks, the cursor); bare Tab says it; the ctl read and a Dump keep it
A session setting, not acme's per window: the width is read by File's pure
width functions (~130 callers that are given no pane), so it is one value,
config.tab_now, that Runtime.apply sets and a new session resets. A file:L:C
column counts runes, as compilers do, and never depended on it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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in, as acme's includename, <stdio.h> too; bare Incl lists them and Incl - empties them; the session's, seeded with /usr/include and /usr/local/include, kept in a dump; Indent's refusal says Enter keeps the indent always
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Save, a refused one said and the rest saved all the same
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Get file loads that file into the pane; in a directory pane it reads the directory again. Load is Restore, as Put is Save; Abort's refusal says it is acme's debugging word
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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buttons (now the tty's 8 and 9 too), the builtins and 9P go to the nearest place that way in this pane, else in this file in another pane, else of any file; JumpScope all takes every place in order as before
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named dir/, its entries in acme's columns (bytewise, dotfiles kept, a directory's marked /), a look at an entry from there, Get or a look again reads it again, never dirty, Save refused; DirLook terminal keeps ls in a terminal
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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the virtual filesystem is drawn as a tree
#word draws a builtin as a chip on the tag's ground over a rule (Look and
Exec in acme's look green and exec red), a <code class="word"> in HTML,
and links it to its entry in a new Builtins chapter wherever that
chapter is in the same output (the book, the site). The chapter is
drawn from docs/typ/builtins-tty.json and builtins-gui.json, which
`zig build builtins-json -Dplatform=tty|gui` writes from the registry
and the Help rows (src/builtins_json.zig, tools/gen_builtins_json.zig;
summaryOf in ninep/ctl.zig is now pub); style.typ merges them, marking
the window-only words. The doc steps refresh their build's file first,
and each build's unit-test fails when its file is stale. Everyday words
first (`everyday` in style.typ), then groups by leader prefix as Help
has them, then settings, the words with no path, debugging and
internals, and last an A-Z index of every word. `zig build book` joins
the doc steps.
#fstree draws a directory tree with its connectors, a description
column and links to the sections that document each file; reference.typ
draws the served tree with it, each pane, pty and column file on its
own line, and a test in config.zig checks it against ninep/tree.zig's
files both ways. The cheatsheet has a two-level version. On the site
the tree reads as `tree` text in w3m and wraps descriptions under the
names on a phone.
The site's tutor draws its B1, B2, B3 and 1-2 chords as mouse glyphs;
the landing credits Plan 9 and acme, as does the book's title page;
install.typ no longer lists the mirrors (the footer does).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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