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New on CTAN: fretplot
by CTAN Announcements 10 Sep '25

10 Sep '25

Soumendra Ganguly submitted the fretplot package. Version: 0.0.1 2025-09-09 License: lppl1.3 Summary description: Create scale and chord diagrams for guitar-like instruments Announcement text: ---------------------------------------------------------------------- The fretplot LuaTeX package provides batch generation of scale and chord diagrams for plucked string instruments, such as the guitar. - Flexible & Automated: Highly customizable and automatable via simple, powerful file formats for describing fretboard diagrams. Easily generate batches of diagrams. - Attractive Defaults: Comes with sensible, visually appealing default settings. - Music Theory Aware: Includes easy-to-use LaTeX macros that understand music theory. Render guitar scale diagrams by specifying the musical scale or scale type via built in macros or directly via degree, pitch class, or interval formulae. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/fretplot The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pgf/contrib/fretplot/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: bnumexpr
by CTAN Announcements 08 Sep '25

08 Sep '25

Jean-François Burnol submitted an update to the bnumexpr package. Version number: 1.6 2025-09-05 License type: lppl1.3c Summary description: Extends eTeX’s \numexpr...\relax construct to big integers Announcement text: ---------------------------------------------------------------------- \bnumeval extends LaTeX's \inteval with support for arbitrarily big integers, // for floored division, /: for the associated remainder, ^ and ** for powers, ! for factorials. A user interface allows to add new operators to the syntax, or to modify the behavior of existing ones. The package can also be used under Plain (pdf|xe|lua)TeX, with help of miniltx. The 1.6 release adds: - 0b, 0o (and '), 0x are recognized as prefixes for binary, octal, and hexadecimal (formerly, only " for hexadecimal was provided). - \bnumeval accepts an optional argument [b], [o] or [h], which tells to convert the output to binary, octal, or hexadecimal. - characters (such as ! and : with French) which are Babel-active with the pdftex engine are out-of-the-box compatible. There are some breaking changes (mainly, the replacement of \evaltohex by \bnumeval[h]), check the PDF documentation. ---------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/latex/contrib/bnumexpr More information is at https://www.ctan.org/pkg/bnumexpr ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Erik Braun ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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New on CTAN: eigo
by CTAN Announcements 07 Sep '25

07 Sep '25

Marc Levivier submitted the > > eigo > > package. > > Version: 1 2025-09-06 > License: lppl1.3c > > Summary description: Comprehensive tools for creating Go (Weiqi/Baduk) game diagrams in LaTeX > > Announcement text: > ---------------------------------------------------------------------- > > NEW PACKAGE: eigo v1.0 - Enhanced Go diagrams for LaTeX > > The eigo package provides comprehensive tools for creating Go (Weiqi/Baduk) game diagrams in LaTeX documents. This package extends the igo package capabilities with modern features designed. > > Key features include: > - Multiple stone colors with full RGB customization (7 colors total) > - Professional 2pt borders for publication-quality diagrams > - Automatic numbering with alternating colors and flexible sequences > - Geometric transformations (rotations, mirrors, color swapping) > - Symbol placement system (triangles, squares, circles, crosses, custom text) > - Flexible board display (full board or partial zones with auto-detection) > - Multiple board support for variation analysis > - Extended size presets from tiny (4mm) to massive (20mm) with validation > - Enhanced LuaLaTeX compatibility with UTF-8 support > > The package offers improvements over existing Go packages, providing modern TikZ-based graphics, comprehensive color control, and professional styling suitable for books, articles, and educational materials. > > Complete documentation with extensive visual examples demonstrates all features. > > ---------------------------------------------------------------------- > > The package’s Catalogue entry can be viewed at > https://ctan.org/pkg/eigo > > The package’s files themselves can be inspected at > https://mirrors.ctan.org/macros/latex/contrib/eigo/ > > ---------------------------------------------------------------------- > > Thanks for the upload. > > For the CTAN Team > Vincent Goulet > > ---------------------------------------------------------------------- > > CTAN is run entirely by volunteers and supported by TeX user groups. > Please join a user group or donate to one, see https://ctan.org/lugs

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New on CTAN: maine-thesis
by CTAN Announcements 07 Sep '25

07 Sep '25

Camden Bock submitted the maine-thesis package. Version: 2.0.0 2025-09-05 License: lppl1.3c Summary description: A document class for University of Maine graduate theses Announcement text: ---------------------------------------------------------------------- Package ‘maine-thesis’ provides support for the formating requirements for graduate theses of the Graduate School at The university of Maine. It sets default parameters for the report class, modifies captions, references, and the table of contents, and makes specific environments available. Key Features Modernized Codebase: - Version 2.0.0 is a complete refactor of the previous version. It uses a .dtx file format to generate both the class file (maine-thesis.cls) and its documentation from a single source, which streamlines maintenance. - The class now uses modern packages like biblatex with the Biber backend for citation management, replacing a simpler, older approach. - New dependencies like fontspec, microtype, and hyperref have been added for more robust font, typography, and hyperlinking capabilities. Improved User Interface: - The new version introduces clearer, named macros for setting heading styles, such as \apaheadings, \chicagoheadings, and \idecimalheadings, replacing the old numerical counter system. Caption formatting has also been unified with \DeclareCaptionFormat{thesis}, providing a single command for customization. Updated Formatting and Requirements: - The class file has been updated to align with the latest Graduate School requirements. - It removes deprecated commands like \libraryrights and \dissacceptance because the Graduate School no longer requires these pages for electronic submission. The biography environment now automatically inserts the final required sentence, which can use a pronoun specified by the \authorpronoun command. - It also includes an optional command, \glsa, to generate the official University of Maine Graduate School Land Acknowledgment. Streamlined Environments: - The \appendix command has been updated and now works within the appendices environment. - The multiappendices option replaces the old \multipleappendicestrue command for managing multiple appendices. - The \preliminary and \mainmatter commands now handle page numbering and document structure more reliably. - The main.tex file now coordinates other files using \include{...} statements for better organization and easier drafting. Enhanced Functionality: - The class file supports the draft option, which adds a "DRAFT" watermark, line numbers, and marks overfull lines, making it useful for sharing review copies. - You can use \compresstitlepage to adjust line spacing on the title page to prevent it from spilling onto a second page. - The \ignore and \comment commands, sourced from the changes package, provide useful tools for managing content during the drafting process. ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/maine-thesis The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/maine-thesis/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: xint
by CTAN Announcements 06 Sep '25

06 Sep '25

Jean-François Burnol submitted an update to the xint package. Version: 1.4n 2025-09-05 License: lppl1.3c Summary description: Expandable arbitrary precision floating point and integer operations Announcement text: -------------------------------------------------------------------------------- – The xintexpr syntax now recognizes in addition to " for hexadecimal, the prefix ' for octal. - It also implements the prefixes 0x, 0o and 0b (with possibly a fractional part). - \xintiieval admits an optional parameter [h], [o], [b] for conversion of the integer output to hexadecimal, octal, or binary. – Babel active characters are auto-taming in \xinteval. It is now possible to use xintexpr also with OpTeX and ConTeXt-LMTX. Refer to xintchanges.md for more details. The file sourcexint.pdf has been removed because xint.pdf now contains both the user manual and the commented source code (i.e. it is the xint-all.pdf which could be built from sources in 2022 with hyperlinking back and forth from user manual to commented source code). -------------------------------------------------------------------------------- This package is located at https://mirrors.ctan.org/macros/generic/xint More information is at https://ctan.org/pkg/xint -------------------------------------------------------------------------------- Thanks for the upload. For the CTAN Team Manfred Lotz CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs .

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CTAN update: biblatex-chem
by CTAN Announcements 06 Sep '25

06 Sep '25

Joseph Wright submitted an update to the biblatex-chem package. Version: 1.2a 2025-09-05 License: lppl1.3c Summary description: A set of BibLaTeX implementations of chemistry-related bibliography styles Announcement text: ---------------------------------------------------------------------- Update setting of articletitle following publisher changes ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/biblatex-chem The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/biblatex-contrib/biblatex-che… ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: dtk-bibliography
by CTAN Announcements 05 Sep '25

05 Sep '25

Stephan Lukasczyk submitted an update to the dtk-bibliography package. Version: 2025-03 2025-09-04 License: lppl1.3c Summary description: Bibliography of “Die TeXnische Komödie” Announcement text: ---------------------------------------------------------------------- Add articles from DTK 3/2025 ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/dtk-bibliography The package’s files themselves can be inspected at https://mirrors.ctan.org/info/dtk-bibliography/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: reledmac
by CTAN Announcements 05 Sep '25

05 Sep '25

Maïeul Rouquette submitted an update to the > > reledmac > > package. > > Version: 2.42.1 2025-09-04 > License: lppl1.3 > > Summary description: Typeset scholarly editions > > Announcement text: > ---------------------------------------------------------------------- > > Fix bug with line number side when footnote overlap multiple pages > > ---------------------------------------------------------------------- > > The package’s Catalogue entry can be viewed at > https://ctan.org/pkg/reledmac > > The package’s files themselves can be inspected at > https://mirrors.ctan.org/macros/latex/contrib/reledmac/ > > ---------------------------------------------------------------------- > > Thanks for the upload. > > For the CTAN Team > Vincent Goulet > > ---------------------------------------------------------------------- > > CTAN is run entirely by volunteers and supported by TeX user groups. > Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: prooftrees
by CTAN Announcements 05 Sep '25

05 Sep '25

Clea F. Rees submitted an update to the prooftrees package. Version: 0.9.1 2025-09-04 License: lppl1.3c Summary description: Forest-based proof trees (symbolic logic) Announcement text: ---------------------------------------------------------------------- All forest keylists are now left untouched to make user customisation easier and some additional keylists are reserved for user use. These are before copying content, before making annotations and before annotating. A couple of long nodewalk steps are either documented or added for easier navigation and a convenience style to facilitate drawing around nodewalks is provided. The package will now explicitly error if tagging is activated. (It is possible to avoid this if you are sufficiently determined and produce something which at least satisfies verapdf and provides useful alt text automatically, but this is unsupported.) ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/prooftrees The package’s files themselves can be inspected at https://mirrors.ctan.org/graphics/pgf/contrib/prooftrees/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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CTAN update: tabular2
by CTAN Announcements 04 Sep '25

04 Sep '25

Ms_yam submitted an update to the tabular2 package. Version: 0.3 2025-09-03 License: lppl1.3c Summary description: Table typesetting with expl3 syntax Announcement text: ---------------------------------------------------------------------- This Is a Major and Important Update. # New Features * Add functions for setting row and column names * Add functions for inputting data by row or column * Handle scenarios where there is no table header # Bug Fixes * Fix the table save and restore command * Fix the \logtable command * Fix the CSV format import issue * Fix the width calculation error caused by width padding * Fix the alignment error # Optimizations * Optimize internal interfaces to achieve more unified interface usage * Remove some useless internal functions * Add sample file ---------------------------------------------------------------------- The package’s Catalogue entry can be viewed at https://ctan.org/pkg/tabular2 The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/tabular2/ ------------------------------------------------------------------------ Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese ------------------------------------------------------------------------ CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs

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