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Exit, Restore, Del and Delcol share one list (warnModifiedIn), but it was
built in 256 bytes, so with a few long paths a +New scratch near the end
fell off Exit's and Restore's, which list every pane; and several +New
panes were indistinguishable. The list is built in 1024 bytes (the
write's error is still cut to fit, between words), and a scratch is named
with its serial, /dir/+New (pane 12), the same everywhere.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The refusal listed every language and was clipped to fit, ending mid-word.
It now names six, those that start as the word did first (pithon:
python), says how many more, and points at docs/tags.md, which lists them
all.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A directory passes access(X_OK), so Tty /etc made a pane whose shell
exited 127 and Shell /etc was taken. The shell lookup now refuses a
directory, and both say "not a shell: /etc is a directory" (Tty and
Shell share one refusal, host_io.Shell.refusal). shellset's golden takes
the shared wording (re-recorded by name).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Shell took any word and the host quietly ran another shell at the next
spawn. It now refuses a path or name that is not executable ("Shell: x:
no executable by that name", failing a ctl write, logged err), a bare
Shell goes back to the default, and a default $SHELL that is not
executable falls back to /bin/sh. shellset's golden takes the refusal on
the message row (re-recorded by name).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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With no Shell set, pardes ran fish, which a box may not have and a user
may not use. The default is now the user's login shell ($SHELL), else
/bin/sh; an explicit Shell still overrides it. The tests pin their own
shell (snapshots bash, the python suites /bin/sh or bash) and pass with
SHELL unset; the Config report and docs say where the default comes from.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A pane's Undo or Redo with no step left did nothing and said nothing. It
now says "Undo: nothing to undo" (or Redo's) as a message, not a failure,
so a ctl write of it still succeeds as acme's silent Undo does. The docs
give the 256-step history.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The GUI golden's wide-glyph pane, renamed and never edited, was refused by
Del as modified, and every frame after it kept the pane. A rename marks a
pane dirty, but its text is what it loaded: the check now asks whether the
text was ever edited (its first edit keeps a hash of what it had), not only
whether it is dirty, as get's refusal does. Tests that faked an edit by the
dirty mark alone now fake the hash too.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Sixteen panes was far too few for a real session. MAX_PANES is now 64 on a
desktop and stays 16 on the board; the 48 more slots cost about 3.7 KB each
in fixed tables (the core 1.33 to 1.45 MB, its surface 19 to 72 KB), and a
pane itself (84 KB and its terminal) is allocated only when it opens. At the
cap, pane/new fails with `pane/new: no pane slots: 64 max` and an err
record rather than a bare ENFILE, a 9P look or exec that would open a pane
fails its write with the same words and reads back empty, and New, Tty,
Tutor and Alt-n say it on the message row (their ctl writes fail with it).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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acme's Del asks winclean first and Delcol colclean (exec.c del, delcol):
unsaved text is warned about, and the same word again closes. pardes closed
at once. Both now refuse once through the one-warning-per-word mechanism
Exit uses, from keys, tags, exec and ctl alike. A pane dirty only by a
rename, or an empty one that never held a file, has no text to lose and is
not asked about, and a scratch or a command's output under 100 bytes is not
either, as acme's winclean passes a small unnamed window.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Their refusal named only file panes, so text typed into a +New scratch went
unasked about and was lost. A scratch with text counts as unsaved as a file
does (acme's winclean asks about an unnamed window too). The refusal a ctl
write gets now reads as the message row does, `<names>: Modified (Exit
again to discard)`, instead of a second "discard them all" wording.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A Dump into a DumpDir it could not write, or a Restore of a file that is
not a dump, answered a ctl write with rc 0 and only a message, and the
Restore warned about unsaved panes before it ever looked at the file. The
hosts' dump write now fails the waiting 9P write with EIO (the late failure
a Save uses), naming the path and the reason in the log, and Restore parses
the file before its unsaved-panes refusal, failing with `not a pardes
dump`.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Bare Placement and BootShell flip, which is pardes's convention for a word
that chooses (Crt does too), but nothing said so, and "bad value in control
message" never said what would do. A refused value now says `takes acme,
pardes` (every switch and choice setting), /commands lists each such
setting's values in a fourth field, and config.md and fs.md say that bare
steps to the next. Motion and ShaderAnimation stepped nowhere bare and now
step like the rest.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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rules
acme takes plan9port's own colours (acme.c iconinit, draw.h): selections
#eeee9e in the body and #9eeeee in the tag, black ink; exec and look sweeps
#aa0000 and #006600, white ink; a #99994c scrollbar under a #ffffea thumb;
black rules; a #8888cc tag/body rule and column button.
Every theme: the grip is acme's button, its tag row's full height, in one
scroll column with the scrollbar (rail_px, 12 at a 17px tagline, scaled,
times GripWidth, a percent, default 150; same x0/x1 to the pixel):
focused clean = solid box; focused dirty = box_dirty filled to a box ring
(acme's modbutton); unfocused clean = a box_border ring round the tag's
ground; unfocused dirty = box_dirty a pixel inside that ring. The grid, which
has no ring, marks dirty with a bold * on box_dirty in the grip's second cell
and fills an unfocused grip halfway to its ring. Regions carry a dirty flag.
Column buttons are the same shape, solid. 2px rules between columns and
stacked panes (inside the tag band's slack), none at the window edge; a 1px
tag/body rule halfway between tag and page.
Theme data: tag_sel_bg, sweep_bg/fg, tag_rule, rule_px, rail_px, box_border,
box_dirty. Chrome: rule_px, tag_rule, rail_px, grip_border, grip_focus_ring;
a comptime guard on Chrome's layout forces a wire bump once v8 ships.
Structural rules are exempt from the focus-indicator rule (docs/effects.md).
Tests: acme widths; stacked rule in the slack at two tagline sizes; every
grip-column pixel is band, button, ring or rule, and the button shares the
scrollbar's x0/x1 (4 metrics x top/bottom x focus x dirty); the four grip
states distinct in every native theme with a non-colour dirty cue in the
grid; wire round-trip of the new fields.
Shared files: src/colors.zig, src/surface.zig, src/body_layer.zig,
src/tagline.zig, src/detached/wire.zig, docs/themes.md, docs/config.md,
docs/effects.md, 21 snapshot goldens (the grip cells only),
test/gui-goldens.txt.
Motion flavours differ by design, and drive notice drops and pane moves
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recedes the other panes (InactiveDim)
Motion off|crisp|smooth|bouncy|playful is one parameter set (animation.Motion)
every fx animation reads. One focus spring per pane drives both the lift and
the dim, at the flavour's pace; a grid snaps.
Lift drops glow and surface. A shadow falls on pane bodies and rails only,
capped so text and the selection keep min(contrast, 4.5); rim is a hairline
along the focused tag's top. auto is a shadow on a light page; on a dark page
the core recedes the unfocused panes' text (InactiveDim, ported from 2e4d97f,
default 30 under auto) with the same floor. Tests: focused text contrast is
never below unfocused in any style, dim or theme; the focused pane's cells and
tag are untouched by a dim.
Shared files: src/config.zig, src/builtins.zig, src/ninep/ctl.zig,
src/surface.zig, src/detached/wire.zig, docs/config.md,
test/snapshots/builtins.snap (one more wheel for the longer help).
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The user wants Lift to read on dark themes, where a shadow has nothing to
darken. `Lift shadow|surface|rim|glow|auto` (`on` is auto, bare flips
auto and off): surface lightens the lifted part's ground about 5.5%
(Material-dark), rim is a thin soft light off its top and left edges,
glow a faint halo in the theme's accent (Chrome.accent, the focused box
colour), auto a shadow on a light page and surface with half a rim on a
dark one (by the page's luminance). Rim and glow are the soft kernel in a
light colour (no pre-warp: coloured light is laid on as is, within §8.2's
budget); each style is capped per theme so text keeps min(its contrast,
4.5) (tests: darkening and lightening over the native themes). The style
travels in the palette (Chrome.lift_style, one byte on the wire). Config
reports and ctl reads `Lift <style>`.
Shared files touched: config.zig, builtins.zig, ninep/ctl.zig,
detached/wire.zig (palette byte), gui.zig. Not touched: pardes.zig,
Messages.zig, mouse.zig.
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`Lift` (a GUI toggle, capability lift) lifts the focused pane on a
critically damped spring (animation.Spring: closed form, about 240 ms to
settle, velocity kept across retargets, settled = no frames) and floats
notices. The core puts the lift on the regions (Region.lift, on the wire);
the GUI casts from it: a soft shadow is decor, an erf rectangle on one
quad grown by 3 sigma (decor.frag, flag 0x10000000), in the quad's own
space so a track's transform carries it; darken-only, the caster's rect
left alone, alpha pre-warped for linear light and IGN-dithered. Cast last
in its group, so a neighbour's rails and rules darken with its text; a
notice's before its rule. Strength is capped per theme so text over the
darkest shadow keeps min(its contrast, 4.5) (test over the native themes).
Opt-in until the focus lift/dim default is decided. Feel review material:
docs/effects.md. Test-mode PARDES_TEST_SERIES keeps every captured frame.
Shared files touched: pardes.zig (two fields, one nextWake line),
detached/wire.zig (lift on the region), config.zig, builtins.zig
(capability), gui.zig. Not touched: Messages.zig, mouse.zig, tty,
host_io.
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it as before
Placement and BootShell are one kind of setting now, a word from an enum,
set, flipped bare, and reported by one arm.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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makenewwindow puts them
Newcol makes an empty column; closing a column's last pane leaves it empty with
the keyboard on its tag; Delcol and Joincol alone take a column away; the
session's last pane closing quits. The +New stand-in and replaceStillborn /
stillborn_joiner are gone. Every new pane goes through exec.placeNew, which
follows acme's makenewwindow (active column, empty column whole, blank space,
halving the biggest) or, with Placement pardes, the old rules. ColumnTags is
gone: column tags are always shown. A grip drag shows acme's box cursor.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A script could not answer the several-REPLs question, which only a key
could. Every question a pane asks on its notice band (which REPL takes an
exec, Del's side from the keyboard) is now logged as `ask <serial> <what>
<choices>`, and `answer <choice>` on the pane's ctl answers it as that key
would, `answer -` taking it back as Esc does. One function answers for a
key and for the ctl.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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one undo step
Over 9P a rename everywhere was a loop of addr and data writes. Edit, from a tag, a pane ctl or exec, parses sam's commands as acme's edit.c does and runs them as ecmd.c does against the text as it was, collecting the changes in order as elog.c logs them and applying them at once: addresses (the addr file's, line:col included), x y g v c a i d s p = m t, u alone, and { }. One undo step; any error, in acme's words, changes nothing, fails a ctl write and is logged. p and = print to the directory's +Errors. Left out, and said: the file commands, the pipes, \1-\9 (mvzr keeps no submatches), and changes out of sequence, which acme applies with a warning.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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just the first
Each pane got its own message, but a ctl write fails with its first error only, so a script was told about one pane, and the next Exit discarded both. The refusal now lists them all, as acme's rowclean does, and says the next one discards them all.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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nothing
A look at `file:/re/` or `:/re/` searched for the words instead of addressing, and a miss left an empty +Search pane and a cleared selection, while a hit answered the +Search pane on /look. Now an address after a colon (acme look.c:450) is evaluated in the file from its dot; a miss says no match and leaves the panes and the selection alone; a hit reads back as the pane the text is selected in. Both live in lookAt's one flow, so they are one change.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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step its body
Over 9P there was no way to take back an edit: acme's Undo and Redo were keys only. They are now pane builtins, reached from a tag, a pane ctl and exec, and listed in /commands. They are not added to the default tags, which would change every tag.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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rewritten as Shadertoy files
Stage 9 of docs/render-pipeline.md. src/gui/Post.zig runs the chain over
the finished frame: each pass reads the one before, ping-pong textures
between, the last writes the window; an empty chain is the direct path.
The prefix (shaders/post/prefix.glsl) is ghostty's uniform block, name
for name and offset for offset (tested against a copy of its Uniforms, the
selection colours by their GLSL names), at SDL GPU's bindings, y down.
A user's file (Shader <path>) is compiled by glslc with compileGlsl's own
flags on a thread of its own, taken in at the next loop step; errors name
the file's own lines; a failed compile keeps the last good pipeline;
glslc missing is said once. The bundled passes compile with the build,
through the same prefix.
Crt, Ripple and Glitch are Shadertoy files, rewritten: no barrel (input is
identity, tested), everything in linear light and dithered, keyed to iTime.
scene_effects, crt.zig and crt.frag.glsl are gone; the core keeps no clock
for the chain. ShaderAnimation off|on|always drives redraw level A: the
chain alone over the retained frame (34 us CPU a redraw, measured).
Shared files touched: pardes.zig (nextWake loses the scene line,
disableSceneEffects empties the chain, two tests), builtins.zig (one switch
arm), ninep/ctl.zig (two switch arms), macos.zig (flags from the chain),
gui.zig. Not touched: Messages.zig, mouse.zig, detached/*, host_io, tty.
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A failure read `Del k|j: InvalidArgument`, `Kill: NoSuchCommand`, `ill-formed control message`, or nothing at all. reportError now spells an error's name as words, and the refusals name their accepted forms: pty/ctl lists its verbs, a flag file takes 1 or 0, a setting word takes on or off, Del takes k, j or nothing, Repl takes - or a language. Kill with nothing to stop says so, /focus says pane, a Look that found nothing says no match, and pty/run on a command pane says it is not a shell. A ctl write's failure has room for the Repl list and is cut between words, the Repl word at a character.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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any case
Repl took only the grammar's exact name, and a file's language was found by a case-sensitive suffix of its path, apart from the aliases a code fence already had. The aliases move to grammar_manifest with byName and byPath, which syntax, Repl and langOf share, so `Repl py` and a .PY file work. The line-by-line warning is for the python language, not an id that starts with python. Joincol's doc line was sitting on Repl.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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one focused before
Dogfood closed a pane in one column and focus jumped to another column, only because that pane was focused last. Now removePane decides for every route (Del, a ctl del, a command pane's end, a 9P remove, a stillborn scratch replaced): the pane that grew into the rows, or the scratch standing in an emptied column; removeColumn gives it to the pane level with it in the column that takes the width. Closing an unfocused pane leaves focus alone. The per-caller focus lines in Del and replaceStillborn are gone, and so is prevFocus.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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are the host's
The Tty shell check sized a buffer with std.fs.max_path_bytes and the
Restore check read the dump through the host filesystem, both in the core,
which the wasm32-freestanding build cannot compile (no PATH_MAX, no libc).
Both now run only where there is a host, as the rest of that code does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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the REPL
The execute key and the middle click marked a global flag that the first
execute cleared, so of several selections executed at once only the first
reached a bound REPL and the rest ran as commands. Where an exec came from
now goes with it, as acme's execute() asks of its Text (exec.c:122,169):
builtins.Ctx carries from_body, runBuiltinFrom and executeFrom take it, the
gestures set it, and chordEachSel sets it for each selection.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A binding outlived its program: a command pane reused kept the REPL of the
command before, a done command pane could be bound, a document pane (a
terminal with no emulator) was accepted, and after Ctrl-D in python3 the text
went to the shell, which ran import os as ImageMagick's. A command pane's
binding now ends with its command and a done one is refused, a pane with no
emulator is refused, and an interactive terminal's REPL is live only while a
program other than its shell holds the tty (the host's tty_taken); when none
of the language's REPLs is, nothing is sent or run and the pane says so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Tty /nonexistent or Tty fsh started the host's fallback shell without a word,
and when spawnTty made no pane, the argument became the calling pane's shell.
Tty now looks the shell up first and fails 'Tty: no shell "fsh"' when it is
neither a name on the usual paths nor a path to one; spawnTty answers the pane
it made, the one given the shell, and says why when it made none. The lookup
(host_io Shell.find) gives the turn up around its access() calls, since a
typed path may be under a mount this editor serves, and forkShell copies the
pane's shell before looking it up and checks the pane is still its own after.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The dump was read only by the host after the step, where a failure went to
the message row alone: a Restore written to ctl answered success, logged no
err, and a second one past the unsaved-text warning did the same. Restore now
reads the dump first, before the warning, and says 'Restore: <path>: no such
file' (or permission denied, a directory), which fails a ctl write and so
logs err. A bare Restore with no dump yet, or a name too long, says so too.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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language's files
Repl python in a terminal's tag or on its ctl binds it (Repl - unbinds, Repl
bare says the binding, the same word again changes nothing), with an id,
python-a, python-b, in its tag. An exec made by a gesture on the body of a
file in that language -- a middle click or the execute key, on any text, a
single word too -- or on the REPL's own body is typed into it, bracketed if
its program asked for that, else line by line with a once-said warning for
Python's blank lines, then Enter; the message row says -> python-a in the
tag's name tint, the log send <from> <to> <id>. Several bound for the
language: the pane asks which on its notice band, as Del asks, one key
answering, Esc none, nothing remembered. The gesture is known where it is
dispatched (mouse.zig, the execute key), so the tag's words, Exec <text> run
by name and a command word @`cmd` stay commands, and a 9P exec is never
sent. A finished command pane is no REPL; bindings are not dumped. The docs
spell out the escapes, the pdb and input() caveat and the no-bracketed-paste
papercut.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A signal effect carried only a slot, so a Kill followed in the same step by
the pane's closing and its slot's reuse signalled the new pane's child; and a
command pane whose child had exited and been reaped kept a process group id
another process could take. The effect now carries the pane's serial, checked
as it is performed, and a host signals no command whose exit it has recorded;
the core already sends Kill only to a command it has not been told is done.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Every builtin that takes an argument split a word at its first +, so
Dump+2024.zon ran Dump with 2024.zon. A builtin now opts in with plus_arg,
read by the registry, and only Tty does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A terminal's tag said Tty whatever shell it ran. The host's acknowledgement
of the shell it forked now sets the word to Tty+<shell>, tinted like the tag's
name. Word+arg is taken as Word arg, one word a tag can hold and a click can
take whole (+ is a word character), so Tty+fish opens a terminal on fish, as
Tty fish does; Tty takes the shell as its argument, which the host forks for
that pane instead of the configured one. Every snapshot whose screen shows a
terminal's tag changes: 69 goldens, re-recorded by name, whose 297 changed
lines are all Tty becoming Tty+bash (the harness runs bash), the cursor
columns and style spans that moved with it, or that text cut at a pane's
width.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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shell's prompt
A middle click, an exec write or a tag word that no builtin knows was typed
into some terminal for the pane's directory, sharing whatever state that
shell was in and answering nothing, so a misspelling vanished into a shell.
Now only a line clicked at an interactive terminal's prompt is typed there.
From anywhere else it runs as a command pane: a terminal whose child is
$SHELL -c the line in the pane's directory, full emulation, which shows its
output and then exit N from the host's reaping of the child, and stays. A
finished command pane is the next command's for its directory, which runs
below what it showed after a '% line' line (acme appends to +Errors and never
clears it, util.c:213); a running one gets a second pane. Kill ends a command
pane's whole process group, the log records run and exit, exec reads back the
command pane's serial, and a line is at most 1 KB, read off the pane as the
host forks rather than carried in every spawn effect. ttyForDir's search for
a free shell is gone. The goldens of chordcut, cmdword and layout-open change
where a file's exec now opens a command pane, and ttytaken is rewritten to
exec from the terminal itself; docs/open-questions.md records the decision.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Exit and Restore shared one warned-at revision, so a Restore a script was
refused over ctl spent the warning, and the person's next Exit quit without
asking, throwing the text away. The warning now records which word gave it,
and only that word goes ahead on it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Both did nothing without a word, from a click or a ctl write alike, and a
script could not tell a no-op from success. Joincol in the rightmost column
now fails 'Joincol: no column to the right'. A Theme name that is none says so
and names the themes sharing its first letter, since all of them (ThemeSel
lists them) are too many for a message or a refused write; a startup config
line still fails quietly, as its other bad lines do.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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'<name>: Modified' read like a failure to retry, and a script that retried
Exit or Restore threw the text away without knowing it. The refusal now names
the word asking and what repeating it does, '<name>: Modified (Exit again to
discard)', and the skill sets it apart from lock's 'file in use', which is
the one to retry.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Restore replaces every pane with a dump's, so a pane edited since its last save
lost that text without a word, where Exit asks. acme's Load only adds a dump's
windows and so never asks; Restore now asks what Exit asks (acme's rowclean and
winclean, wind.c:511-529): each modified pane says so once, and Restore again
with nothing edited since goes ahead. Exit and Restore share the check and its
warned-at revision, as acme's winclean clears one dirty flag for any asker.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Kill queued a signal effect for later, so the job it saw running by its marks
could have ended, and another started, before the signal went; and with job
control off the job shares the shell's process group, so the host skipped it
and Kill reported nothing. Kill now calls the host's kill_job while it holds the
turn, and when the only job is the shell's own group says 'Kill: no job to
signal', which also fails a write of Kill to ctl.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Kill quit the editor, which in acme is Exit; acme's Kill stops the
commands it started. Exit now quits as acme's does (exec.c, rowclean):
it refuses once, naming each pane with unsaved text, and quits when
asked again with nothing edited since (a small scratch is not asked
about). Kill, bare or with names, stops the commands pardes typed into a
terminal (an exec, a middle click, a pty/run) while their shell's marks
say they run, by SIGTERM to the terminal's foreground job, never to the
shell (acme posts the kill note, which terminates). Both are session
builtins; the topbar's Kill becomes Exit, same width, and every golden's
topbar row changed by exactly that word (checked line by line); the
builtins script scrolls one more row for the index's new line.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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argument is refused before anything runs
A ctl write failed only on a malformed line: Mount x reported its error
in the editor while the write succeeded, and a bare Mount failed only as
it ran, after earlier lines of the write. acme's ctl answers a command's
error (editors/acme/xfid.c:700). Builtins now declare requires_arg beside
takes_arg (settings: those with a value to set), and the check refuses a
bare one as wrong #args before any line runs; while a ctl runs, the first
error a builtin reports fails the write, quoted with its line, and the
prompt refusal quotes its line too. Docs say what a failure mid-write
leaves done.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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and reads the settings, a pane's ctl its own
Every builtin could only be clicked, or written to exec, and the settings
could be read only as the Config window's prose. acme keeps window verbs on
a window's ctl, and webfs and upas/fs keep session settings on a root ctl.
Each builtin now declares its scope (scope = .session; settings are all
session, the rest pane), read by the registry. The root /ctl takes session
builtins and reads every setting in the words a write takes, so its read
written back changes nothing (panel and scene effects now take on/off like
the toggles, to make that true); a pane's ctl takes the pane's builtins
beside get, lock and unlock. Writes are checked whole and refused in Plan
9's ctl words (unknown control message "X", wrong #args ...), which 9ns
now maps to EINVAL (cloud9 re-pinned at a8c7a715). A builtin that would
prompt for its argument fails the write instead, and a refusal is answered
at once, not after the frame.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A tag is a text like the body, so selecting on a regex and piping act on the
text they are pressed in: a prompt records the text it answers for, the tag
keeps the keyboard while it is typed, and a header's prompt goes on the active
pane's band. `/` still searches the body from anywhere, as acme's Look from a
tag searches the body.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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With tags reduced to Texts, what is left of them is the computed prefix, the
default and saved tails, entering and leaving a tag and the headers: that goes
to tagline.zig, as acme keeps the tag half of a window in wind.c. Tag and
header drawing moves next to body drawing in body_layer.zig, and the tag hit
helpers go to tag_layer.zig with the Hit they read, where sameCell now also
tells the lines of a taller tag apart. The docs describe the tag as a Text.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The headers had their own one-line editor with its own keys: Enter always
executed, h/l and J/K moved between headers and panes, Ctrl-c/x/v cut and
pasted, and TagLine refused a newline that 9P accepted. They are now Texts
like a pane's tag, with no prefix and a default until edited, so normal and
insert mode, undo and the look and execute keys are the body's. Moving
between them is the window keys' job: Up from a pane with nothing above it
reaches its column's tag and then the workspace's, Down comes back, and
Left and Right walk the column tags.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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