| Commit message (Collapse) | Author | Age |
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are refused alike: "this pane has no text to address"
A terminal took an addr write and evaluated it over nothing, saying
"bad address syntax" or "address out of range" by the expression, while
dot refused it as no text at all. A range file of a pane with no text
now refuses every write the same way, before the expression is read.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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size quoted its own word in every refusal, as bad values were quoted
before round 31's change for the settings. The value is the offending
word here too, and is now what each size refusal quotes.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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whole; cut only when its start really scrolled away
A clear (ED 2, ED 3, a reset) under a running command marked its output
lost, so `clear; ls` answered only "exit 0 cut". The output's start is
now pinned again at the screen's top after the erase: what the command
prints from there is its answer, whole, and a cut is said only when
that start leaves the scrollback.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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look whose address fails never leaves the file it opened
`a.txt:2:3:`, as a compiler prints a place, failed as bad address
syntax, and still opened a.txt: the file was opened to read the
address in, and stayed when the address failed. The trailing colon is
now no part of the place, and a pane opened only to evaluate an address
that fails goes again, the miss said from the pane looked from.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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again, as a /ctl write of it does
The dump's ThemeFile line went to the settings table, which has no
such setting and never asks the host to read a file, so a restored
session came back in the default theme. The restore now makes the
request a /ctl ThemeFile makes, and the host loads the file.
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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8 MiB arrives whole, not as its last chunk
Each 8 MiB chunk went in by its own Client.write, which opens a body
with OTRUNC, so every chunk replaced the one before and a long page
kept only its tail, with exit 0. The text now goes in through one open,
truncated once and written at rising offsets; a long write is timed by
its progress, each 9P write answered within 30 s rather than the whole
transfer within 2. fs.py pages 11 MiB of numbered lines and compares
the body byte for byte, and pages past the 256 MiB cap and checks the
first 256 MiB and the cut note.
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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and log as different records, never merged as one (x2)
A setting's bad value quoted the setting's word, so "Verbose maybe"
and "Verbose nope" made the same err text and the log's repeat count
merged them. The value is the offending word, and is now the one
quoted, blanks and all; the log's dedupe, comparing whole texts,
then keeps them apart.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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what a range holds, EINVAL with why
A record from origin Q was taken as any other, and an offset past
2^32 was clamped to the largest one and acted on. Both are now
refused before anything runs, the overflow as "bad number"; a range
past the end was and is EINVAL too.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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cat sel reads it back; one open's writes run on from the last
The selection collapsed to a point after the write, so sel read back
nothing. What is written is now dot, and the next write of the same
open goes at its end and grows it (acme's wrselrange), so a shell's
several writes make one selection; another open's write replaces it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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heading and its paragraph run together with a space
MuPDF's text buffer joins the lines of one block with spaces, so a
typst page's heading and the text under it read as one line ("Page one
Hello normal PDF alpha."). The bridge now walks the structured text
itself, structure blocks included, and ends each line with a newline.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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or is on another page, is a miss said, not a silent success
A look at `file.pdf:P:S` in +PdfSections went to section S whatever P
said, and one past the last section did nothing and answered ok. The
row's page is now held to: a section not in the outline, or on another
page than the row names, fails with which, as every other miss does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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log record; streams the text in bounded writes; never loses it; handles \r, NUL and BEL as a terminal does
Each paged command made another +Pager until placement failed, and
then git's text was lost with exit 0; a 130 MB page timed out half
written and dirty; a directory whose name held a newline left a stray
+New; and the log said new +New then rename. The root ctl's `pager
<dir>` now makes the directory's +Pager (named before it is announced,
placed without the keyboard) or empties the one there; the text goes
into it a line-ended 8 MiB chunk a write, one undo step, up to the file
limit and its note, and is left clean. A directory a ctl line cannot
name pages into the session's. Any failure prints the text to stderr
with why and exits 1. A carriage return keeps a progress line's last
state and CRLF is a newline; NUL, BEL, SO and SI go; empty stdin makes
no pane.
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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SYSTEMD_PAGERSECURE=0, and the pager's path is quoted only when it needs it
journalctl and systemctl read SYSTEMD_PAGER, not PAGER, and in their
secure mode run only less, so a pty/run of either still waited in it;
and systemd, splitting a pager on blanks and exec'ing it, never ran the
quoted path. Where the user's environment sets neither, a terminal now
gets SYSTEMD_PAGER as PAGER is set and secure mode off (this pager has
no shell to escape to), and the path is single-quoted only when it holds
a blank or shell character. Command panes keep cat.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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read loop on event works
A read shorter than the record waiting was refused EINVAL, and bash's
read, a byte at a time on a file it cannot seek in, failed on the
first record. A short read now takes the record's front and the next
read the rest, as log and pty/data already did and acme allows. A
unit test reads two records a byte at a time; selfmount runs a bash
read on event through the mount.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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from every way a look comes; a PDF's :0 has no page 0
A look of `:12` had no path to resolve, so it fell through to a word
search for the text ":12" and found nothing. A digit-led address with
no path now names the looking pane, as `:/re/` already did: its look,
the root's (the keyboard's pane), Look, B3 and an event write-back all
reach it, a terminal's logical lines included. On a PDF, :0 is the
has-no-page miss rather than a refusal.
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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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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and PDF previews show
yazi asks the pane XTVERSION, and ghostty-vt answers "libghostty": yazi
takes it for Ghostty and sends its previews by the kitty graphics protocol
with Unicode placeholders (a=T,U=1, then U+10EEEE cells). ghostty-vt stored
the images, but nothing drew them: the placeholders showed as tofu in the
GUI and as raw codepoints in the tty, in every build since terminal panes
answered queries (vkznsvzs, 2026-07-01). Before that no query was answered
and yazi fell back to chafa's text art.
Each frame, TerminalImages.zig reads the active screen's images and
placements (virtual ones through their placeholder runs, and ones placed on
a cell), cuts each into the cell rows it covers, maps those rows through
the body's own row walk, clips them to the pane, and hands them on as
ImagePlaces with exact geometry (NativePlacement.exact). The GUI draws
them as textures; the tty passes them to an outer terminal with kitty
graphics as one placement per row, its source cropped to whole cells.
Placeholder cells draw no text. Scrolling, a delete, a resize, the
alternate screen and a closed pane all fall out of reading the emulator's
state every frame.
A pane now knows its size in pixels: CSI 14/16/18 t are answered, the
emulator's width_px/height_px follow the shell's cells, and the pty's
winsize carries pixels (host_io.ptyWinsize), so yazi and a nested pardes
size their images right. ghostty-vt's image store is 64 MiB per screen
(its library default, 10 MB, refused a large preview), PNG transmissions
are decoded with stb_image, and RGB images are converted only while shown.
test/yazi_preview.py runs yazi in a hidden window on a PNG and a PDF and
checks the captures, also through a tty pardes nested in the pane.
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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around the screen, not squeezed into 4096 rows and blown up
The render geometry (pdf_bridge.c) clamped a page's LONGEST side to
max_dimension: 4096 in the SDL policy, 1200 in Kitty's. A page 841.89 x
4818.9 pt, fit to a 1570 px wide pane, came out 715 x 4096 and was drawn
2.2 times too large at 1x, 4.4 times at 2x; Kitty's raster was 210 px
wide. Every request now caps a raster ROW at max_dimension, and caps
the height too only while that keeps the page at least as large as it
is shown (RenderRequest.display_width/height, set from the fit). A
tall page fit to width is rasterized at the pane's own width, in SDL,
and at Kitty's 96 dpi as any other page is there.
Such a page is not one buffer. A raster over 8192 rows (a texture's and
Kitty's 10000-pixel limit) or over 64 MiB is banded (pdf_view.zig): its
slot holds the rows on screen and a screenful either side, in 512-row
chunks, and is rendered again, keeping the chunks it has, once the
screen comes within half a screenful of its edge. Each chunk comes from
its own render reaching 32 rows past both edges, so a row of the page
is the same however it was scrolled to, and no chunk shows its clip
edge: band rows are within 3 levels of a whole-page render (108 pixels
of 45 million on the reported PDF). Highlights paint over the band's
clean rows as over a page's, and the band uses the page's CTM, so
search, selection and pointer geometry are unchanged.
A display-list render now culls to the band (a scissor in page space).
No pixel changes, but a frame that renders new rows of the reported
page at 2x fell from 33-43 ms to 13-16 ms (pdf-scroll-bench, --cell
16x32). design.pdf's scroll-bench pixels are identical.
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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and a PDF's too, never a raw terminal's
config.zig said leader paths apply in body normal mode only, but
normal.zig takes the leader action for every target it handles, tags
and the column and workspace tags included, and a PDF pane passes it
through. The behaviour is the useful one; the comment is corrected.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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/bin/sh, not "the login shell"
The settings table and the bad-value refusal said bare Shell returns
to the login shell, but defaultShell takes $SHELL when it can run it
and /bin/sh otherwise; the passwd entry is never read. Both now say
what the code does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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run from; one from a column's or the workspace's tag gets none
PARDES_PANE names the command pane itself, so a script a click ran had
no way to address the pane it was run in, as acme's win scripts do with
$winid. The command pane now remembers that pane and its child gets
winid set to it; a header tag's command, which no pane owns, gets winid
unset. PARDES_PANE is unchanged.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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write is refused with words, not a pane that only fails at Save
A new name forwarded into a directory that is there but locked opened
an empty pane named for it, and the failure came only at its Save,
long after the launch. The directory is checked first: one that cannot
be read, written and entered is refused, exit 1, no pane made.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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environment sets neither, so a pty/run or a command pane never hangs in a pager
git log or man run through pty/run, or in a command pane, sat in less
at its first screen: no one presses q, and the run never answers. The
child's environment now names cat as the pager when the inherited one
names none; a user's own PAGER or GIT_PAGER is kept. It is every pane
child's, a terminal's shell too, since a pty/run's line runs in it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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directory is not there
Exit or Restore refused over a pane named into a directory that does
not exist made +Unsaved in that missing directory, where its rows
could not be looked at and a Save of it could only fail. The list now
goes in the session's directory when the asking pane's is not on disk.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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control message "Newcol", not "Newcol 2"
Some refusals quoted the whole line, arguments and all ("Newcol 2",
"Verbose maybe", "lock x"), others the word alone ("Theme", "Mount"),
so a script matching one could not match the other. Every ctl
refusal, the root's, a pane's and a column's, now quotes the message's
word alone, and one too long to quote whole gives up its middle.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The refusal said "look: permission denied", leaving the script to guess
which of the paths it looked at was locked. A file or image that will
not open is now named in the failure, its path cut in the middle when
long.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A script following a pane's event in a loop ended in an error when the
pane went, though nothing had gone wrong: the pane was simply done. A
read on an event open whose pane has closed now answers no bytes, the
end a pipe's reader sees when its writer goes, so cat and while-read
end cleanly. pty/data keeps acme's answer.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The zero-column check ran only after a nonzero line, so file:0:0 went
on as an address and failed some other way, or not at all. The check
now reads the look's whole tail first, line 0 included, and refuses a
zero column in addr's words.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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they do a byte not UTF-8, so the name decodes to what it is
A control byte in a name read as a space, so /index could not be
decoded back to the name the name file now accepts (\x07 and a space
read the same). Every byte a name holds that is not printable UTF-8 is
now \xNN there; a message's text keeps spaces.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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write, EIO and its err, as fs.md says
A Del refused over unsaved text, written back by an event reader, said
so on the message row and answered the write ok, so the script that
wrote it could not tell. The write-back now captures failures as an
exec write does: the first one fails the write with its words and the
errno they read as.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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already running" and exits 1, with no error trace
The second session built its whole core before its bind failed, then
returned an error that main printed with a Zig error-return trace. The
name is now checked first: a live session's socket is said, and the
process exits 1 having made nothing.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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event write-back; a blank context line resolves to its path:line
The mouse expanded a diff line by its kind (a header or a hunk line's
prefix to the line's address, a hunk line's code to words), but an
empty look written back to event used the plain word expansion, so ML
on a `+` took nothing, and a 9P look of a blank context line (` `) was
refused as whitespace. look.diffClick is now the one answer: the
mouse, the whole-line look and the event write-back all ask it, and a
blank context line is a line like any other. A test asks all three on
each kind of line.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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and nonseekable: fs.md's follow recipe with cat works through a mount
The log stated the length an open would freeze, a length a mount's
kernel could take as its end, and a splicing cat read it from the
kernel's offset. log now stats 0, as the other streams and generated
views do, and the re-pinned cloud9's 9ns opens any file stating 0
FOPEN_DIRECT_IO | FOPEN_NONSEEKABLE. A look at such a file (the mounted
index) reads a regular file that will not seek as a stream rather than
refusing it as a pipe. selfmount runs the recipe, exec 3<>log; echo
follow >&3; cat <&3, through the mount and hears a record made after it
started.
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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tables
#btn and #chord draw a mouse (left button, wheel, right button) with the
pressed part filled; the wheel is a narrow slot on a paper halo, hollow
or filled, so it never reads as a button. A chord is the held button,
then for each click the held one and that one down, with arrows between;
#btn(.., shift: true) adds a ⇧. HTML gets a span with an aria-label.
A key is one soft pill with no border: a combination (Ctrl-w) reads
Ctrl + w and a sequence (g g, SPC f c) g › g, separators muted inside it;
#keys("h", "j", ...) sets alternatives as separate pills. The drift
test reads every key a #keys call names.
#pairs sets key | meaning content as a two-column table on alternating
tints; split: 2 sets the leader map as two such tables side by side.
The mouse chords get their own table: cut, paste, copy (B1-B2 then
B1-B3, one B1 hold, as mouse.zig says), 2-1 with an argument, 2-3
cancelling. The A4 page draws its own title and drops the content's level-1
heading. docs/typ/README is the function contract for content files.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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teaches $ as line end or the terminal tag's old words; a test checks the words, paths, chords and tags it names
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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ports, and a theme file's roles
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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core, threads, detached sessions and 9P fit, from the old design notes checked against the code
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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with the settings table, and says what the pane ctl's Left, Right, Up and Down do
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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shrink to a summary, the traps and a pointer to it
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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browser and says so in a msg
With no frontend to send it to, the link was kept and nothing said,
so a script could not tell the look had landed or why nothing opened.
It still opens nothing on the session's own desktop, and now leaves
"look: <url>: no frontend attached to open it in a browser", logged
as a msg.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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signal, and a start sweeps the ones a dead editor left
/tmp had gathered thousands of private prompt files: Exit removed its
own, but an editor killed by a signal, or a crashed one, left them for
ever. They now carry their editor's pid in the name, a SIGTERM or
SIGHUP removes them before the signal's death, and each start removes
those whose pid kill(pid, 0) answers ESRCH for. Files of the older
shape carry no pid and are left alone, as a running older editor may
still read them; the shared ones in the runtime directory are kept,
being every session's.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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dial address, both EINVAL
Mount name alone failed "Mount name dial: missing argument" and a
malformed dial "Mount: bad dial", both EIO, though each is a malformed
request. They now say wrong #args and bad dial address (with the forms
a dial takes), and a builtin failure in those words answers EINVAL, as
9ns reads them.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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