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the next Enter renames the buffer, a second Esc drops the draft, and a stray key meanwhile changes nothing but says so
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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(answered like a held read, so a status read or a filter reading the session's own mount runs beside it), a Tflush or hang-up of the write kills the commands' process groups and changes nothing; e loads by Get's way (asked once, clean after, undo puts the name back); ~ in e r w f B; B checks every name first; an Edit that runs commands is a write of its own, refused up front with other lines; Edit's +Errors output keeps the keyboard where it was; X goes in pane order; a refused write open says its errno; the reference's Coming from acme rows say what Get file's undo, failure and directory refusal, Putall's answer, Zerox across Dump and Incl's directories now do
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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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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its place in the tag; only a look takes a diff line's address, an exec there takes the word (follows vpmzwuzk)
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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takes, a diff line's address included, and an event reader is told of them as of a click
The keyboard expanded the cursor's word on its own (look.expandedSel), so
a diff line's address (and a hunk line's code word, without its +/-) was
the mouse's alone: Enter on `+line` looked for the text in the diff. Now
exec.operandAt is the one expansion: pointerOperand is it with a gesture's
selection borrowed, the Enter/Tab path and a bare Look (exec.currentOperand)
are it from the cursor, and both dispatch through mouse.dispatchPointerBuiltin,
so a pane with an event reader hears a key's look or exec as a click's.
A test runs one diff line and one file:12:5: line through a B3 click, a B3
sweep, Enter, a bare Look, the look file and an event write-back, and asserts
each lands in the same file, line and column.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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art, as it always is with no graphics; Petscii on|off still chooses for when there are
The images and tagbottomimage goldens are re-recorded for the word.
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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plan9port: a one-button trackpad can execute and look
The core decides it at the press (mouse.emulateButton) and keeps it to the
release, whatever keys are let go between. Ctrl-click stays a definition,
and a program tracking the mouse still gets the plain click (Alt as its
meta, Super as nothing). The SDL, macOS and web shells now pass Super; the
macOS and web shells pass Alt on a click too. A terminal's mouse report has
no Super bit, so in a terminal only Alt-click is B2.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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+New's does, never writing a file named +Tutor
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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last line is answered at once: the line runs at the editor's next step
A shell's truncating open of exec (or look, ctl, log, pager) sends a
setattr that changes nothing; it waited for the editor to be quiet, and
through a 9ns mount that quiet could never come: 9ns answers nothing else
on the mount while the setattr is out, and the editor's step may be out
reading a pane's file through it. This was the "truncating open of exec
hangs, only in selfmount" mystery. Only a truncate of a pane's file or a
tag waits now.
A close holding a last line with no newline hands it to the editor's step
(tree.runClosedLines, beside fillClosedPagers), as a /pager close does, and
is answered at once; a refusal is the log's err.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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written after its directory with ghostty-vt, SGR becomes spans drawn over the plain text, every other escape is dropped, and PagerColor off pages it plain
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logged with its line number, never silent
A BOM made the first word unknown, a word no builtin has was skipped
without a word, and a setting that refused its value said nothing (the
init file ran with announcing off). Each failing line now leaves a
notice and an `err - init file line N: <why>` record; `#` still starts
a comment only at a line's start, so `#ff0000` stays a value.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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klingon` is invalid (EINVAL), its message citing no doc path
A refused answer quoted the word `answer`, not the choice refused. A
`name` with nothing after it was an unknown control message. A Repl of
no such language failed EIO with a pointer into the reference; it now
says `invalid language` (EINVAL, here and through a mount) and how many
more there are. A builtin's failure that says invalid anywhere is
EINVAL, as 9ns reads it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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question, the running one taking the text, and a done command REPL's tag says no id
Two bound REPLs always asked, an exited one offered and, chosen, sent
nothing. Now an exited one is left out: one still running takes the
text with no question, none running is said (`no program running`),
and nothing runs as a command. A command pane bound as a REPL whose
command is done no longer shows its id in the tag.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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logged or answered of it, and a serial is never handed out twice
A command pane with no room logged `new N` and `run N ls`, was answered
to its exec, then went with `del N` and no `exit N`; and sync gave N
back (`next_serial -= 1`) to the next pane made, so a script holding N
found another pane under it. Tty did the same. Both now take a refused
placement back at once, before the run is logged or the serial answered
(the pane was never announced, so it leaves no record), and fail the
write with no room. The decrement is gone: gaps are fine, and a serial
once said names one pane for good.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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pane, as Esc does from normal, and a raw program never sees it; Ctrl-b alone toggles raw
Shift-Esc switched a terminal in normal or insert mode into raw, so the
one key meant to get out of anything got a script or a person into a
program instead. It is now handled before any mode: an open prompt is
closed, insert mode left, a pending count dropped, and Last runs, the
pane keeping its mode (a raw terminal stays raw). Ctrl-b is the only
switch between raw and normal. The keymap's two chords become one,
back_out; the cheatsheet row, the guide's mode table and the tutor say
so, and the tty and builtins goldens are re-recorded.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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front, and a Dump that could not make its directory says permission denied
A relative DumpDir was resolved from wherever pardes started, and one
under a directory that may not be written was taken, the Dump failing
later as `no such directory`. DumpDir now takes an absolute or `~` path
whose nearest directory there may be written, and refuses any other with
what it takes; a Dump refused by a directory above says permission
denied (fs.deniedAbove), as a Save does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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fills a pane answers that pane, made or filled again
The answer was taken from the asking pane's search pane, which a
listing like +Lsp never sets, so Lspinfo answered the file pane. The
pane the answer filled is now known from what fillResults made or
refilled, whatever kind of listing it is.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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its language say the name, is previewed, never applied; Lspwhy shows the files synced first
zls renaming at a declaration answers with that file's edits only,
cold or warm, whatever it was told of (checked against zls directly:
from a call site in main.zig it renames both files, from the
declaration in util.zig it never does), so the first Rename applied in
util.zig and left main.zig broken. The client now looks for the old
name in the other open files of the language; when one says it and the
answer left it alone, the edits are a preview with a row naming each
such file, and the message row says the server renamed in this file
only. Lspwhy carries the open files too, so its trace shows `synced X
first` for the query it explains.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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that asked it, and says on the message row that it previewed and applied nothing
A multi-file Rename filled a +Search preview but the waiting exec write
answered the pane it was asked from, and nothing was said. lspResponse
now notes the pane it filled (fs.lsp_result); the write that waited for
the answer reads that pane back, as a look or an exec answers the pane
it went to, and the message row says `Rename: N edit(s) across files,
previewed, not applied`.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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permission denied, and a Save there says so, not no such directory
`pardes noperm/a/b/c` and `pardes /proc/1/root/x` took the missing
directory for one Save would make, opened a pane and exited 0; its Save
then said "no such directory". fs.deniedAbove finds the nearest
directory there and asks whether it may be searched and written:
forwarding refuses such a name, exit 1, "permission denied", and a
failed Save says "permission denied", which the writer's 9P error
carries as EPERM (9ns: EACCES).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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naming the file last loaded, or none, so they always replay
The request's path was taken as the theme file before the host had
read it, so a file not found or not ZON left /ctl saying ThemeFile
<that path>, and writing the report back failed again. The path a load
succeeds with is now kept apart; a failure puts the request back to it
(and watches it again), or to none.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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diff command pane is: git diff, show and log -p page into review
With git paging into +Pager, a diff arrived as plain text: no colour
for its sides and a right click on a hunk line searched the word. A
+Pager pane now notes, as its text is set, whether its first 64 KiB
holds a diff header or a unified hunk, and such a pane takes the diff
highlighting and the diff look every diff pane has.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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choice: Petscii on the pane, TermImages for new ones
Under an outer terminal without kitty graphics a tty pardes cannot pass a
terminal pane's images on, so it draws them itself as an image pane's
Petscii does: each row of an image is matched to C64-palette glyph art
over the cells it covers (GlyphArt.renderRect, the exact-grid half of
GlyphArt.render), cached while it is on screen. yazi is still told the
kitty protocol works, so it keeps sending its previews.
The same art is a choice anywhere: the Petscii builtin now takes a
terminal pane too (PaneKind.picture), flipping its images between pixels
and glyphs, and a terminal holding images, or drawing them as glyphs by
choice, says petscii:on|off in its tag as an image pane does. TermImages
real|petscii (default real) is what a new terminal starts with; it is in
DumpConfig, /ctl and the reference.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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GIT_PAGER, Pager pardes|off to opt out; command panes page through cat
A paging command in a terminal, or run through its pty/run, sat in
less, and a pty/run never answered. `pardes -` now reads stdin to its
end, strips terminal escapes (colour, OSC, overstrike), and shows it:
inside a session as a clean <cwd>/+Pager pane made through pane/new and
back at once, outside one as a new editor whose first pane it is, as
`vim -` does. A terminal's shell gets PAGER and GIT_PAGER set to this
pardes's own path and `-` where the user's environment sets neither;
`Pager off`, a setting in /ctl, init and DumpConfig, leaves terminals
started after it to the environment. A command pane's one-shot shell
keeps cat, its output being a pane already.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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where they jumped, "Callers: the one, <place>"
A word that asks for a list jumps straight to a lone answer, with no
list to show it was the only one, so the jump read as a definition
jump or a miss. It now leaves a message naming the place. A
definition's jump, which is its answer, says nothing new.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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documented, whether or not a program runs in each
Only REPLs with a program running were counted, so with two bound and
one at its shell prompt the text went to the other without a word,
and which REPL got it depended on what happened to be running. All
bound REPLs are offered now; one chosen with no program running is
sent nothing and says so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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name no session has is "no such session"
A detached session's core has no frontend loop to take an Attach, so
the word was asked and never answered: a ctl write of it succeeded
and nothing happened. The core now knows it is a detached session's,
and Attach there says why: bare names no session but itself, a name
with no session behind it is said so, and one that is a session is
told to be attached from a frontend.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The look on a diff line was its own resolver: a walk up to .git/.jj from
the diff's directory, its own "no such file here" and "deleted by this
diff". A review tool's cached patch, in no repository, missed every file
though the session's terminals sat in the checkout.
Now a diff line only expands and transforms. Its expansion (what the hover
shows) is the whole line for a header, a `@@` line, or a hunk line
pointed at on its prefix, and its text is the look address the line names
(look.diffAddress): `path` for `diff --git`/`---`/`+++`, `path:c` for
`@@ -a,b +c,d @@`, `path:N` for a hunk line's new line (a removed line's,
the new line now where it was). That text goes through the regular look
exactly as if selected by hand: same resolution, placement and errors. A
9P look of a whole diff line takes the same transform.
Kept: the line classification, hunk arithmetic, git prefix stripping and
timestamp cutting (diff.zig). Gone: the repo-root walk, its messages,
Target.old_side and deletesAhead, and the click's row stash
(Pardes.diff_look). A test compares a B3 on a cached patch's line with a
look of the hand-selected `entry/src/entry.rs:2` in the same session.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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file's row is where its dot is now
Only text files were recorded, so a PDF read yesterday was not there to
find again, and an open file's row showed the place it last closed at,
stale by however far it had moved since. A PDF is kept at its page and
reopened there from its row; an image by its path; an open one's row
reads its pane's place at the time of the listing.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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last page in its place
manual.pdf:999 on a twelve-page PDF showed page 12 and said nothing,
so a stale or mistyped page number looked like a place found. It is
now the miss a line past a file's end is, whether the PDF is open (it
stays on its page) or not (nothing opens). A restore or a start-up page
past the end still lands on the last.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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here to rename", and fails the write that asked it
An empty answer to a rename returned without a word, so Rename on a
place with no symbol looked like a rename that worked. It is now the
not-found failure every other query gives.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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between them goes, they are one
A closed pane's entry dropped from between two visits to the same place,
or a closed file's entry reopened beside its own, left twin entries,
and Back spent a press going nowhere while Jumplist listed the place
twice. The compaction that drops dead entries now folds a twin into the
one before it, keeping the current entry on the one kept.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Save of a pane's own file logged `save <serial> <name>`, and so did a
scratch's `Save path` (the pane takes that name). A `Save path` that
writes a copy of a file pane, or a terminal's scrollback, elsewhere
logged nothing, so a follower could not tell the file was written. It
now logs `save <serial> <path>` with the path written, once the host has
written it (events.noteLogAs). fs.md's log table says so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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shared, rather than stacking one per word
Each word looked for in a terminal (clicked, or written to look), where
no file of that name was, opened another +Search in the same directory,
one per word, until the column filled. Such a search now refills the
directory's +Search, as the file searches and the +Lsp answers already
share theirs. A `/` search keeps a +Search per pattern, which n and N
walk across (psearch.snap), so the sharing is marked on the word look
alone (Pardes.word_look).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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spends no column serial
A pane/new, look or exec refused ENOSPC made its pane before placing it.
The refusal closed the pane unannounced, but its serial was gone, so the
next pane skipped one. When sync removes a refused pane that holds the
newest serial, it now puts the counter back.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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click does
A program that set DECSET 1004 heard `CSI O` and `CSI I` when the keyboard
moved by a click, a key or the window's focus, because update() checks
after each event. A /focus write went through serveFs, which never did,
so the program kept believing it had focus until the next input event.
serveFs now runs the same check once a request has settled.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Co-Authored-By: Claude Opus 5.5 <[email protected]>
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takes the keyboard and CSI O when it gives it up, to another pane, a tag or another window
The core has a window-focus event now, from SDL's window focus and from
the tty's own focus reports (vaxis turns 1004 on outside); the detached
wire carries it: version 10. The test shell's ESC]777;mouse;focus;<1|0>
fakes the window's.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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grid, in the format it chose; Shift keeps pardes's select, execute and look, and chrome is never the program's
Presses and releases under 1000, drags with a button down under 1002,
every move once per cell under 1003, X10 presses under 9, in raw terminal
input only. A press the program took keeps its drag and release, reported
clamped to the grid's edge wherever the pointer goes. The press also makes
the pane the active one. docs/tags.md says so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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tty's input; a program's wheel report carries them as xterm counts them, and Shift keeps the wheel pardes's own scroll
The reports are ghostty's encoder now (shift+4, meta+8, ctrl+16), with the
mode and format ghostty tracks. The detached wire carries the two new
bits: version 9. The test shell's ESC]777;mouse takes an optional fifth
field of modifiers.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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new line, the line itself
In a diff pane (a .diff/.patch file, or a command pane's diff output), the
look's own expansion, which its hover shows, takes a whole line for a
`diff --git`, `---`, `+++` or `@@` line wherever the pointer is on it,
markers included, and for a hunk line when the pointer is on its `+`, `-`
or space. Then the look opens the file (a/ b/ dropped, timestamps cut) at
the line from the hunk header and the lines above it: `@@` the hunk's
first new line, context and added lines their own, a removed line the new
line now where it was. `diff --git` and `+++` open the new file; `---` the
old one, unless the `+++` under it names another. On a hunk line's code
the expansion is its words, the prefix never one of them, and looks as
ever. Other panes are untouched.
Paths resolve in the repository (walking up to `.git` or `.jj` from the
diff's directory, or a command pane's), then that directory. A file not
here opens nothing and says `Look: b/x: no such file here`, or `deleted by
this diff`. A 9P look writing a whole line of the diff does the same.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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and removed rows tinted
A .diff or .patch pane, and a command pane whose output is a diff (`git
diff`, `git show`, `diff -u`; told by a `diff --git` line, or `---`/`+++`
with a `@@` under them, in its first rows), colour each hunk's code in the
language of the file its section names (`+++ b/<path>`, `--- a/<path>` for
a deleted file), with tree-sitter, as highlightLocations does for results.
src/diff.zig walks a unified diff by its `@@` counts, so a removed line
that reads `--- x` is no header. Each side of a hunk is parsed as one text
(context and removed lines the old side, context and added lines the new),
so a string or comment across lines colours as it does in the file; a side
no line takes its colours from is not parsed. A section's hunks share a
parse, in pieces of about 40 lines (a hunk past 80 is cut), only those in
view, and each piece's colours are kept by its bytes, so scrolling back and
a terminal's every repaint parse nothing again.
Added and removed lines carry a flag in their style byte; the painter tints
their rows to the pane's edge, a little way from the page toward the
theme's ANSI green or red, and draws the prefix in that hue pushed to read
on it. A file in no known language keeps the old line colours.
A command pane is read once its command has finished: its rows are copied
once (File.DiffOutput, dropped when the pane runs again), so no frame dumps
the scrollback, and painted over what git printed. A running command is
shown as it prints.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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through pty/run goes from over 30 s to 11 s
Profiling the 50 MB run showed 70% of its time in draw.render,
recolorAnsi alone 43%, walking cells through PageList.pin. The detached
session drew a frame after every pty read, with no client attached to
see it. A host now says whether anyone watches (Host.VTable.watched). The
detached server answers whether a client is attached, and while none is
the core keeps the frame owed instead of drawing it. A /screen read draws
its own, and a client attaching gets one (hello sets needs_frame).
Debug, 80x24: 10 MB went from 7.36 s to 2.10 s, and 50 MB from over the
30 s client timeout (about 37 s by rate) to 11.08 s. What is left is the
terminal's own parsing and scrollback growth. A session a frontend shows
still draws after every read. Pacing those frames is the next step if
that case matters.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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and Save path alike
Whether a Save made missing directories depended on how the name had
come about. Config's pane did, a name written into a missing directory did
(since kkrqxtsp), and `Save path` and every other name did not, failing
ENOENT instead. There is now one rule: a Save makes the parent
directories of the file it writes, a pane's own or a terminal's
scrollback included, and the make_dirs flag is gone. A directory it
cannot make still fails the write with why, as fs.py's
/nonexistent-pardes-dir case shows. fs.py now also saves into missing
directories by Save path and by a written name.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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