2026-07-18 18:48:23 +02:00
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# Klammertext
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Klammertext is a markup language that produces multiple output formats —
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HTML, LaTeX/PDF, and plain text — from a single source description. Its core
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engine, the Klammermachine, is written in C++; the Standard Klammer Set (SKS)
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adds a default library of formatting and document-structuring operators on top.
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## Installing
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Installation guides are in [`doc/install/`](doc/install/):
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- Linux, from source — `doc/install/linux_source_install.md`
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- macOS, from source — `doc/install/macos_source_install.md`
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- Linux, container — `doc/install/linux_container_install.md`
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- macOS, container — `doc/install/macos_container_install.md`
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## Building from source
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With a C++20 compiler and `KLAMMERTEXT_HOME` set to this directory:
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make -C com
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This builds the Klammermachine library (into `lib/`), the SKS components, and
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the three commands — `ktext`, `kdesc`, `kdiag` (into `bin/`). See the
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source-install guide for prerequisites (TeX Live for PDF output, Python, and so
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on).
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## Editor support
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Editor support generalized: shared core, language server, Vim and VS Code (from dev eb5baf9cbe59)
doc/edit/ now holds a shared Python implementation of the language's
structural layer (klammertext_edit.py) and a dependency-free language
server (klammertext_ls.py), with integrations for Emacs, Sublime Text,
Vim, and Visual Studio Code. The editor test suite in tst/ covers the
core's API and CLI, the language server protocol, the VS Code
extension, headless Vim, and Emacs byte-equality.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-27 15:01:49 +02:00
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Editing support for Emacs, Sublime Text, Vim, and Visual Studio Code —
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syntax highlighting, delimiter matching, structural reindentation, table
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alignment, diagnostics — is in [`doc/edit/`](doc/edit/), together with the
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shared implementation and the Klammertext language server they build on.
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2026-07-18 18:48:23 +02:00
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2026-07-26 01:07:52 +02:00
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## Provenance
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This repository is a curated snapshot of Klammertext's private development
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tree, assembled by a manifest-driven script. Its history is a series of
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release snapshots, not a mirror of the development history, and files here
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are regenerated on each release — patches cannot be merged directly.
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Report problems (or send patches) to the author; accepted changes are
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applied to the development tree and appear in a following snapshot.
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Markdown to PDF: the mdpdf command, and the fonts it needs
This snapshot carries sks/tns/, the translation directory, into the
distribution for the first time, together with the two default font
families its stylesheet names.
sks/tns/ holds two converters in opposite directions. md_to_sks.py
converts Markdown to Klammertext, recording what it cannot convert exactly
as "#[MD ... ]#" markers so a draft carries its own worklist. md_to_pdf.py
renders Markdown straight to PDF through a headless Chromium driven over the
DevTools Protocol, bypassing Klammertext entirely -- the route for a
document that is not ready to convert, and a permanent one for Markdown that
Klammertext cannot represent well. Neither is loaded by the SKS; md_to_pdf
needs markdown-it-py, which it keeps in a virtual environment of its own and
creates with --setup.
The everyday form of the second is the mdpdf command, a shell function in
sks/tns/mdpdf.sh that env/runtime.env sources, so anyone with the
Klammertext environment has it:
mdpdf notes.md # writes notes.pdf beside it
It supplies the house fonts, the size matching, and the code wrapping,
completes on *.md at the TAB key, and takes its defaults from MDPDF_*
variables so one can be changed in a shell profile without copying the
function. It is POSIX shell rather than zsh, since runtime.env is sourced
from bash profiles too.
Two things the stylesheet does that a print stylesheet usually cannot. Code
lines are wrapped to a column count MEASURED from the rendered page rather
than written down -- the browser is asked how many characters a code box
holds, over every box in the document, so the wrapping stays right when the
fonts, sizes or margins change. And the page number is a CSS Paged Media
margin box, which current Chromium implements, so it is set in the
document's own face instead of the browser's generic sans.
fnt/ gains EB Garamond and Source Sans 3, the serif and sans the stylesheet
asks for by default.
(from dev 97d4f244c737)
2026-08-09 15:54:05 +02:00
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This snapshot was assembled from development commit `97d4f244c737`.
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2026-07-26 01:07:52 +02:00
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2026-07-18 18:48:23 +02:00
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## License
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See [`LICENSE.md`](LICENSE.md).
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