A snapshot of the development tree. The substantial changes since the last one:
COMMAND OUTPUT POLICY. The three commands display text in exactly three cases,
and each owns a stream: LOGGING under "-v" greater than 0 and an ERROR before
termination go to STDERR; OUTPUT THE USER ASKED FOR goes to STDOUT. For ktext
that output is a document, so "ktext doc.kt -d | ..." is now safe -- logging
used to share the stream and land inside the document. A bare command prints
its usage and succeeds rather than failing. Colour is emitted only to a
terminal, per stream, and NO_COLOR is honoured.
"-v 1" reports every decision whose outcome you could not have read off your own
input: the klammerset that was loaded and from which file, a font's directory, a
":files" name's file, how "-o" was expanded. Higher levels are the trace.
The commands no longer warn and continue: an anomaly is an error, described with
its location. Two exceptions remain, each for a stated reason -- a condition
that is expected and temporary by design, and a judgment that is a heuristic
rather than exact.
@cond IS NOW A TRUE SPECIAL FORM, resolved at APPLICATION time rather than when
the file is read. Two consequences for a writer:
* a state variable reaches the predicate. "@@@state Flag :value true @@@
@cond *Flag* | T | F @" renders "T"; it used to see the literal "*Flag*" and
silently take the false branch. The document now behaves like a klammer
body, whose arguments are bound before its conditionals are decided.
* nothing in a discarded branch happens -- it is not read, not evaluated, not
expanded. An @eval in the branch not taken used to run anyway.
Its predicate relation is total and strict: true, True, 1; false, False, 0, and
empty; anything else is an error at the @cond rather than silently false.
@eval REACHING OUTSIDE. ":shell" and ":haskell" now keep the command's standard
error out of the document (it appears under "-v 1") and treat a nonzero exit as
an error naming what the command reported. A command that exits nonzero on
purpose -- "grep" finding no match -- says so with "|| true".
KLAMMER SETS. Several combine: "--klammersets a b c" loads all three in the
order given, sharing one namespace, with the definition modes deciding
collisions. "none" means none and may not be combined with other symbols. A
klammerset with symbol X is declared in a file X/X.k, which is what lets two
sets require the same third set without loading it twice.
TESTS. Four new suites: the kdiag command's interface, the @eval primitive's
contract with the outside world, and verbosity at both tiers. Three suites
that could not run on macOS at all now do.
Assembled from dev commit 6c8ee6c22fca.
A named group of optional parameters, declared once and used by several
klammers, so a writer learns one vocabulary instead of a spelling per
klammer. The "o" target is a pseudo-target beside "k": "k" declares a
klammer's interface and documents it, "o" declares an option interface and
documents it, and neither produces output for any target.
@@caption_args.o :caption :number.bool true :caption_side.side
: Arguments that define a caption for a block element @@
@@code.k :filename @hpos_args :hpos left @ @caption_args :caption_side top @
| text.literal : A source file displayed verbatim @@
A set is used only in the parameter list of a ".k" declaration -- the one
place a klammer's interface is declared once for all of its targets -- and
is resolved as that list is read. Names and types come from the set; a
default may be overridden where it is used. A klammer application in a
parameter list is now a definition-time error.
The SKS gains the sets caption_args and hpos_args (:hpos and :offset), and
@table, @image, @image_grid, @reference and @show gain .k declarations. A
distance is no longer written as a position: :hpos 4em is rejected, and the
same layout is :hpos left :offset 4em. Code listings are numbered by
default, like tables and figures.
New engine sources mac/option_set{,_registry}.{h,cpp}; tst/ ships two more
suites, option_set_test.sh and signature_test.sh (twelve in all).
(from dev 34e536cb0329)
A klammer that reaches itself, directly or through a cycle, expanded
until the C++ stack was exhausted: the process died from SIGSEGV with no
message and no location. The former limit guarded only the top-level
fixed-point iteration, never the descent through klammer application. A
depth guard now raises a recursion error naming the klammer and where it
was applied. The same loop's termination test moves from "the katom list
stopped growing" to "a pass applied no klammer", since a klammer whose
body expands to nothing is a reduction that adds no katoms; exceeding the
round limit is now an error rather than a message followed by rendering a
document with live klammers still in it.
ktext --check locates every klammer application written in a document or
in a klammer body and checks name existence, argument count, option
names, and target coverage without applying anything, reporting all
problems at once. This is possible because Klammertext has no catcodes:
katom structure is fixed when a file is read, so a klammer body has a
determinate shape before it is expanded. The check therefore reaches what
the engine cannot -- the branch of a @cond that is not selected, and
bodies a given render never enters.
@cond's set of truth values is an open language question, so its meaning
is unchanged here; an unrecognized predicate now warns, giving its value
and location.
tst/ gains recursion_test.sh (7 cases) and check_test.sh (19 cases), and
this snapshot's test Makefile is generated from the shipped suite list so
the two cannot drift apart.
(from dev c27e63802406)
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
The @@@klammerset system command formally declares a klammerset — a
named, logically related group of klammer definitions — with an
operative, idempotent declaration (:requires and :files load in order
at the declaration point, relative to the declaring file). A bare
symbol given to ktext -k, kdesc --input, or :requires resolves to
x/x.k on the search path: the document's directory, then
KLAMMERTEXT_KLAMMERSETS, then KLAMMERTEXT_HOME; kdesc --klammerset
lists the available sets. sks/sks.k is the first declared klammerset,
so `-k sks` loads the SKS by name. The engine's lookup classes were
renamed *_set → *_registry to keep the two concepts apart, and the
whole C++ tree now follows standard const-correctness conventions.
tst/ gains klammerset_test.sh (18 cases).
(from dev 64b1abf23e56)
- Filenames may contain spaces: quote on the command line; filename
lists use a standalone "/" separator; unseparated names that do not
exist are rejoined into names that do (announced); leading ~ expands.
- Without -o, output is written to the input file's directory; -o fully
specifies the output directory and basename.
- "Word not parsed" warnings now appear without -v, only for text that
survives removal, with correct line numbers.
- New tst/filename_test.sh regression suite.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Curated source subset assembled by klammertext-dev's doc/make_dist.sh: the Klammermachine (mac), the Standard Klammer Set (sks), the commands (com), editor plugins and install guides (doc), a test subset (tst), and lib/bin placeholders. Builds with 'make -C com'.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
