| Age | Commit message (Collapse) | Author | Files | Lines |
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* bootstrap.conf (gnulib_modules): Add issymlink and issymlinkat.
* src/copy.c: Include issymlink.h.
(copy_reg): Use issymlink instead of readlinkat.
* src/rmdir.c: Include issymlink.h.
(main): Use issymlink instead of readlink.
* src/tail.c: Include issymlink.h.
(recheck, any_symlinks): Use issymlink instead of readlink.
* src/test.c: Include issymlink.h.
(unary_operator): Use issymlink instead of readlink.
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* src/seq.c (main): Avoid possibly innacurate conversion
to long double, for all digit start values.
* tests/seq/seq-long-double.sh: Add a test case.
* NEWS: Mention the improvement.
Fixes https://bugs.gnu.org/79369
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Problem reported by Yubiao Hu <https://bugs.gnu.org/79336>.
* src/df.c (get_dev): Assume MOUNT_POINT is non-null.
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Fix allocated size alignment in locales with multi-byte grouping chars.
Tested with: LC_ALL=sv_SE.utf8 ls --size --block-size=\'k
* src/ls.c (print_file_name_and_frills): Don't rely on
printf("%*s", width, string) to pad multi-byte strings appropriately.
Instead work out the padding required and use:
printf("%*s%s", padding, "", string) to pad multi-byte appropriately.
* tests/ls/block-size.sh: Add a test case.
* NEWS: Mention the bug fix.
Fixes https://bugs.gnu.org/79347
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* src/digest.c (main): Don't saturate -l to BLAKE2B_MAX_LEN,
so that the subsequent bounds check is performed.
* tests/cksum/b2sum.sh: Add a test case.
* NEWS: Mention the fix introduced in commit v9.5-71-gf2c84fe63
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* src/fold.c (fold_file): Continue the loop when we have buffered bytes
but nothing left to read from the file.
(adjust_column): Don't assume that the character is printable.
* tests/fold/fold-characters.sh: Add a new test case.
(bad_unicode): New function.
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* src/getlimits.c (main): Output IO_BUFSIZE, useful for
sizing data for tests.
* tests/fold/fold-characters.sh: Use it rather than hardcoding.
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GCC 10.2 gave the following error:
"error: label at end of compound statement"
* src/fold.c (fold_file): Add a ";" to avoid C2X specific syntax.
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* src/fold.c (fold_file): Replace invalid characters with the original
byte read. Copy multibyte sequences that may not yet be read to the
start of the buffer before reading more bytes.
* tests/fold/fold-characters.sh: Add a test case.
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* src/fold.c: Include ioblksize.h.
(fold_file): Use two IO_BUFSIZE-sized buffers. Use fread instead of
getline. Check for if we reached the end of file.
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* cfg.mk (sc_prohibit-struct-gl_utmp): New rule for 'make syntax-check'.
* src/pinky.c (time_string, print_entry, scan_entries, short_pinky):
Use STRUCT_UTMP instead of struct gl_utmp.
* src/uptime.c (print_uptime, print_uptime, uptime): Likewise.
* src/users.c (list_entries_users, users): Likewise.
* src/who.c (time_string, print_user, print_boottime, print_deadprocs)
(print_login, print_initspawn, print_clockchange, print_runlevel)
list_entries_who, scan_entries, who): Likewise.
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* src/fold.c: Include mcel.h.
(count_bytes): Remove variable.
(counting_mode, last_character_width): New variables.
(shortopts, long_options): Add the option.
(adjust_column): If --characters is in used account for number of
characters instead of their width.
(fold_file): Use getline and iterate over the result with mcel functions
to handle multibyte characters.
(main): Check for the option.
* src/local.mk (src_fold_LDADD): Add $(LIBC32CONV), $(LIBUNISTRING), and
$(MBRTOWC_LIB).
* tests/fold/fold-characters.sh: New file.
* tests/fold/fold-spaces.sh: New file.
* tests/fold/fold-nbsp.sh: New file.
* tests/local.mk (all_tests): Add the tests.
* NEWS: Mention the new option.
* doc/coreutils.texi (fold invocation): Likewise.
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Better fix for problem reported by Jeremy Allison
<https://bugs.gnu.org/79267>.
* src/copy.c (struct scan_inference): New type, replacing
union scan_inference. All uses changed. This is so
infer_scantype can report the first hole's offset when known.
(lseek_copy): 5th arg is now struct scan_inference const *,
not just off_t. All uses changed.
(infer_scantype): If SEEK_SET+SEEK_HOLE do not find a hole,
fall back on ZERO_SCANTYPE.
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This reverts part of the previous change.
* src/copy.c (lseek_copy): When calling sparse_copy, do not
ask it to scan for zeros unless --sparse=always, so that it
can use copy_file_range which can be far more efficient.
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Problem reported by Jeremy Allison <https://bugs.gnu.org/79267>.
* src/copy.c (create_hole, sparse_copy): Omit arg PUNCH_HOLES,
as we always punch holes now. All uses changed.
(lseek_copy): When calling sparse_copy, scan for holes when
sparse_mode == SPARSE_AUTO, as that means we are making holes.
(copy_reg): Always punch any hole made at end.
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* src/logname.c (AUTHORS): List David as the author.
* AUTHORS: Likewise.
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* src/tsort.c: Don't include long-options.h since the previous commit
removed the call to parse_gnu_standard_options_only. This avoids a
sc_prohibit_long_options_without_use syntax-check failure.
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This is for conformance to POSIX.1-2024
* src/tsort.c: Include getopt.h.
(main): Accept and ignore -w. Do not bother altering
the usage message, as the option is useless.
* tests/misc/tsort.pl (cycle-3): New test.
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* cfg.mk (sc_prohibit-long-form-bug-urls): Disallow long form in code.
* scripts/git-hooks/commit-msg: Disallow long form in commit messages.
* NEWS: Shorten long urls.
* bootstrap.conf: Likewise.
* configure.ac: Likewise.
* scripts/git-hooks/commit-msg: Likewise.
* src/csplit.c: Likewise.
* src/fmt.c: Likewise.
* src/make-prime-list.c: Likewise.
* src/nohup.c: Likewise.
* tests/od/od-float.sh: Likewise.
* tests/rm/r-root.sh: Likewise.
* tests/tail/inotify-race.sh: Likewise.
* tests/tail/inotify-race2.sh: Likewise.
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* src/basenc.c (base58_encode): Avoid calling mpz_import on an empty
limb sequence.
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* src/realpath.c (longopts): Add the option.
(main): Likewise.
(usage): Add the option to the --help message.
* tests/misc/realpath.sh: Add a simple test.
* doc/coreutils.texi (realpath invocation): Mention the new option.
* NEWS: Likewise.
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A 58 character encoding that:
- avoids visually ambiguous 0OIl characters
- uses only alphanumeric characters
Described at:
- https://tools.ietf.org/html/draft-msporny-base58-03
This implementation uses GMP (or gnulib's gmp fallback).
Performance is good in comparison to other implementations.
For example when using libgmp on an i7-5600U system,
encoding is 530 times faster, and decoding 830 times faster
than the implementation using arbitrary precision ints in cpython 3.13.
Memory use is proportional to the size of input.
Encoding benchmarks:
$ time yes | head -c65535 | src/basenc --base58 -w0 >file.enc
real 0m0.018s
./configure --quiet --without-libgmp && make -j $(nproc)
$ time yes | head -c65535 | src/basenc --base58 -w0 >file.enc
real 0m3.431s
# dnf install python3-base58
$ time yes | head -c65535 | base58 >file.enc # cpython 3.13
real 0m9.700s
Decoding benchmarks:
$ time src/basenc --base58 -d <file.enc >/dev/null
real 0m0.010s
$ ./configure --without-libgmp && make # gnulib gmp
$ time src/basenc --base58 -d <file.enc >/dev/null
real 0m0.145s
$ time base58 -d <file.enc >/dev/null # cpython 3.13
real 0m8.302s
* src/basenc.c (base_decode_ctx_finalize, base_encode_ctx_init,
base_encode_ctx, base_encode_ctx_finalize): New functions to
provide more general processing functionality.
(base58_{de,en}code_ctx{_init,,_finalize}): New functions to
accumulate all input before calling ...
(base58_{de,en}code): ... the GMP based encoding/decoding routines.
(do_encode, do_decode): Call the ctx variants if enabled.
* doc/coreutils.texi (basenc invocation): Describe the new option,
and indicate the main use case being interactive user use.
* src/local.mk: Link basenc with GMP.
* tests/basenc/basenc.pl: Add test cases.
* NEWS: Mention the new feature.
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* src/basenc.c (do_decode): With -i ensure we strip '=' chars
if there is no padding for the chosen encoding.
* tests/basenc/basenc.pl: Add a test case.
* NEWS: Mention the bug fix.
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* src/basenc.c (base16_encode, z85_encoding, do_decode): Use
ATTRIBUTE_NONSTRING instead of ATTRIBUTE_NONSTRING.
* src/basenc.c (sc_prohibit-_gl-attributes): New rule for
'make syntax-check'.
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The sparse code sometimes issued multiple lseeks against the
same file without doing anything in betwee. Optimize them away
by keeping track of the last hole output, in a way that
crosses the sparse_copy function call boundary.
* src/copy.c (sparse_copy): New arg hole_size, replacing old args
scan_holes and last_write_made_hole. All callers changed.
(sparse_copy, lseek_copy): Do not create hole at
end; let the caller deal with it. All callers changed.
(lseek_copy): New args hole_size and total_n_read. Caller changed.
(copy_reg): Create hole at end for both lseek_copy and sparse_copy.
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The sparse code assumed that st_blksize was the minimum hole size.
However, st_blksize is an optimum I/O buffer size, not the file
system fundamental block size. Use ST_NBLOCKSIZE instead;
although it may underestimate the true block size that just slows
‘cp’ down a bit, without introducing bugs.
* src/copy.c (sparse_copy): Arg scan_holes replaces
the old hole_size arg. All callers changed.
(lseek_copy): Remove hole_size arg; no longer needed.
Caller changed.
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* cfg.mk (sc_standard_outputs): Add a grep command for source files.
* src/du.c (main): Use standard input instead of stdin, standard output
instead of stdout, and standard error instead of stderr in messages.
* src/nohup.c (main): Likewise.
* src/sort.c (main): Likewise.
* src/split.c (main): Likewise.
* src/stdbuf.c (main): Likewise.
* src/wc.c (main): Likewise.
* tests/du/files0-from.pl (@Tests): Adjust test case to new messages.
* tests/sort/sort-files0-from.pl: Likewise.
* tests/wc/wc-files0-from.pl: Likewise.
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'make syntax-check' complains:
src/tail.c
maint.mk: the above files include safe-read.h but don't use it
make: *** [maint.mk:737: sc_prohibit_safe_read_without_use] Error 1
The removal was missed for tail.c in recent commit d3c7072a0950.
* src/tail.c (safe-read.h): Remove include.
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This does not change behavior on POSIX platforms; it’s mostly to
make it clearer when we’re looking for file identity.
* src/cat.c (main):
* src/copy.c (struct dir_list, is_ancestor, copy_internal):
* src/tail.c (struct File_spec, record_open_fd, recheck)
(tail_forever_inotify, tail_file):
* src/test.c (binary_operator):
Use psame_inode, PSAME_INODE, or SAME_INODE instead of comparing
device and inode numbers by hand.
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* src/tail.c (recheck, tail_file): Do not mark a file as tailable
merely because --retry is not in effect. Simplify internal logic.
This should not change behavior; it’s just for clarity and to
make the code match the comments better.
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* src/tail.c (get_file_status): Remove, since after the changes
described below it would be called in just one place and it’s a
bit clearer to inline by hand.
(tail_file): Don’t call fstat after reading the file, as that
misses changes arriving between read and fstat. Instead, reuse
the fstat done before reading the file.
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This matters only in some obscure cases hard to test for.
* src/tail.c (file_lines, pipe_lines, pipe_bytes, start_bytes)
(start_lines, tail_bytes, tail_lines, tail): New return
convention, which reports errno. All callers changed.
(recheck): Don’t lose track of errno if a regular file is
replaced by a symlink.
(get_file_status): Set errno to 0 on success.
(tail_file): Be more careful about f->errnum.
It is now -1 only if the failure was not due to
a system call failing.
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* src/tail.c (recheck): f->remote must be true already,
so don’t set it to true.
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When not already calling lstat for some other reason,
prefer readlink to lstat+S_ISLNK,
as readlink does not suffer from EOVERFLOW issues.
* src/rmdir.c (main):
* src/tail.c (recheck, any_symlinks):
* src/test.c (unary_operator):
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Also, fix commentary to talk about “nonexistent” rather than
“dead” processes, since the code looks for the former not the
latter and the difference matters for zombies.
* src/tail.c (some_writers_exist): Rename from writers_are_dead,
negate the sense, don’t have a special and counterintuitive case
for !nbpids, remove PIDs found not to exist, and avoid some
though not all unlikely races when kernels reuse PIDs.
(tail_forever): Optimize via blocking I/O even if --pid was used,
so long as all the writers no longer exist.
(tail_forever, tail_forever_inotify): Simplify the writers_dead
logic; there is no need to have a local var to track this, since
we can use pids and nbpids now.
(parse_options): Also free and clear pids if !forever.
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* src/tail.c (valid_file_spec, recheck, writers_are_dead)
(tail_forever, check_fspec, tail_forever_inotify, tail_file)
(parse_options, main): Be a bit more systematic about checking
for sign, rather than for exact equality or inequality,
when the sign is enough. Makes the code a bit clearer
now that -2 sometimes means success.
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* src/tail.c (struct File_spec): New member read_pos, replacing
size, since the value was really a read position not a size.
All uses changed.
(xlseek): Move defn up.
(record_open_fd): If the read_pos (formerly) size arg is unknown,
compute it here if it is a regular file.
(file_lines): Return the resulting read pos (or -1 on failure)
instead of storing it via a pointer. Caller changed.
Simplify by using SEEK_CUR instead of SEEK_SET when that is easy.
Avoid reading the same data twice when there are not enough
lines in the file.
(pipe_lines): Return -2 on success, -1 on failure, rather than
updating a read pos via a pointer (which was weird for pipes anyway).
Caller changed.
(pipe_bytes, tail_bytes, tail_lines, tail):
Return -1 on failure, a file offset if known, and < -1 otherwise,
instead of storing a file offset via a pointer. Caller changed.
(pipe_bytes): Take initial file offset as an arg, or -1 if unknown.
(start_bytes, start_lines): Return -1 (not 1) on error, -2 (not
-1) on EOF, and do not accept pointer to read pos as an arg since
neither we nor our caller know the read pos. Callers changed.
(recheck): Do not assume a newly-opened file is at offset zero,
as this is not always true on Solaris.
(tail_forever, check_fspec): Use dump_remainder result only
on regular files, to prevent (very unlikely) overflow.
(tail_file): Remove no-longer-needed TAIL_TEST_SLEEP code.
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In the old days, safe_read acted more like what full_read does now.
When that went away, some code that invoked safe_read should
have gone back to plain 'read' but I guess we never got around to it.
Simplify this code by going back to plain 'read'.
Use safe_read only in csplit.c, which has a signal handler
and where 'read' can therefore fail with EINTR.
Although safe_read also checks for oversize buffers,
that is better done via io_blksize.
* src/cat.c (simple_cat, cat):
* src/head.c (copy_fd, elide_tail_lines_pipe)
* src/tac.c (tac_seekable, copy_to_temp):
(elide_tail_lines_seekable, head_lines):
* src/tail.c (dump_remainder, file_lines, pipe_lines)
(pipe_bytes, start_bytes, start_lines, tail_forever_inotify):
* src/tr.c (plain_read):
Use plain 'read', not safe_read, since there is no
need to worry about signals or oversize requests.
Also, there is no longer a need to include safe-read.h.
* src/ioblksize.h: Include sys-limits.h, for SYS_BUFSIZE_MAX.
(io_blksize): Max out at SYS_BUFSIZE_MAX.
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* src/tail.c (struct File_spec, xwrite_stdout, file_lines)
(pipe_lines, pipe_bytes, start_bytes, any_live_files)
(tail_forever, any_remote_file, any_non_remote_file)
(any_symlinks, any_non_regular_fifo, tailable_stdin)
(tail_forever_inotify, ignore_fifo_and_pipe, main):
Prefer a signed type to size_t, if possible.
Ordinarily this is idx_t, but use int when the value
must fit in int anyway.
(file_lines): Similarly for blksize_t, which had no business
being here anyway.
(main): Check for overflow in the oddball case where ptrdiff_t is
narrower than int.
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Signed types let us debug better, by using -fsanitize=undefined.
* doc/local.mk (doc/constants.texi):
Adjust change from macro to enum.
* src/tail.c (COPY_TO_EOF, COPY_A_BUFFER)
(DEFAULT_MAX_N_UNCHANGED_STATS_BETWEEN_OPENS):
Now enum constants, not macros.
(COPY_TO_EOF, COPY_A_BUFFER): Now negative, not positive.
(count_t): New typedef. Use it instead of uintmax_t.
(COUNT_MAX): New macro; use it instead of UINTMAX_MAX.
(struct File_spec, max_n_unchanged_stats_between_opens)
(dump_remainder, file_lines, pipe_lines, pipe_bytes)
(start_bytes, start_lines, tail_forever, check_fspec)
(tail_forever_inotify, tail_bytes, tail_lines, tail, tail_file)
(parse_obsolete_option, parse_options, main):
Prefer count_t to uintmax_t.
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* src/tail.c (file_lines): Fix an unlikely bug where ‘tail -n N’
could output more than N lines if standard input is a largish
regular file with large initial offset that starts with (say) N-1
lines after the initial offset, but grows to N+1 lines between the
fstat and read calls. In this case ‘tail -n N’ now outputs N-1
lines, not N+1; that is, it pretends the file grew after ‘tail’
read it. That is better than outputting more than N lines.
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* src/tail.c (xlseek): Turn a switch statement into a table.
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* src/tail.c: Use ‘prettyname’ consistently as the identifier
for a prettified file name, as opposed to ‘pretty_filename’,
‘pretty_name’, and ‘name’. This makes the code easier to follow.
(struct File_spec): New member prettyname.
(pretty_name): Remove.
All uses of pretty_name (f) replaced by f->prettyname.
(close_fd, fremote): Accept struct File_spec, not name.
All callers changed.
(main): Initialize the new prettyname member.
This is simpler/smaller than calling pretty_name everywhere.
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* src/tail.c (tail_lines): Also optimize ‘tail -n +N’
on a seekable file, where OFF_T_MAX <= N < UINTMAX_MAX.
Of course this is very unlikely.
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* src/tail.c (tail_lines): Refactor to simplify the confusing
code for using SEEK_END when counting lines. The old code
had a ‘end_pos != 0’ expression that was always true.
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* src/tail.c (tail_bytes): New function.
(tail_bytes, tail_lines, tail): Accept struct stat pointer from
caller instead of calling fstat ourselves. All callers changed.
(tail_file): Skip a call to fstat if fstat already failed.
* tests/tail/follow-stdin.sh: Adjust to match new behavior
on failure, which omits a redundant diagnostic.
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When the user specifies -c N where 2**63 <= N, don’t give
up and use the slow method (which will exhaust memory if
the file is large). Instead, treat it as N = 2**63 - 1,
since that has equivalent effect.
* src/tail.c (tail_bytes): With -c N and large N, adjust
the code so that lseeks can still be used without
affecting correctness. Formerly the code gave up and
did a sequential pass through the whole input, which
could easily exhaust memory.
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This better matches the treatment of POSIX form,
e.g., ‘tail +Nc’ is now like ‘tail -c +N’ even when N is large.
* src/tail.c: Don’t include xstrtol.h.
(parse_obsolete_option): Treat numbers greater than UINTMAX_MAX as
if they are UINTMAX_MAX. Parse the number by hand with saturating
arithmetic; nowadays that’s simpler than using xstrtoumax. There
is no need for a diagnostic now, as the error cannot happen any more.
* tests/tail/tail.pl (obs-plus-c3): New test.
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* src/tail.c: Document an otherwise-unstated assumption.
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* src/tail.c (tail_lines): Fix embarrassing SEEK_END typo.
Luckily this matters only in never-used (though valid) invocations.
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