EN:Features

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Features Overview

luatex-cn provides a rich set of features for ancient Chinese book typesetting, ranging from core vertical engines to various decorative elements.

1. Core Typesetting Engine

A grid-based layout system built on LuaTeX for high-precision vertical text flows.

• RTT Direction: Native support for top-to-bottom, right-to-left direction.
• Grid Positioning: Characters are precisely aligned to a defined grid.
• Pagination & Column Flow: Handles complex page splitting and column transitions automatically.

2. Document Classes

• ltc-guji: Traditional ancient book typesetting with banxin, fishtail, silk frames.
• ltc-book (v0.2.7+): Modern vertical books with clean design, built-in footnotes and punctuation system.

3. Punctuation Processing

• Punctuation System (v0.2.7+): Modern punct squeeze, kinsoku, vertical quote replacement with mainland/Taiwan styles.
• Judou: Traditional punctuation marks with three modes (normal/judou/none) switchable at any time.

4. Traditional Book Elements

Full support for visual elements required by traditional binding:

• Banxin & Yuwei: Support for single/double fishtails, black silk frames, etc.
• Split Page: Support for electronic reading and traditional "tube page" binding.
• Border System: Double borders, inner borders, and customizable thickness.

5. Annotation & Revision System

Multiple ways to add comments to the text:

• Interlinear Notes: Double-line small text within main body with auto-balancing.
• Side Notes: Vertical annotations between text columns.
• Annotations: Floating annotation boxes placed anywhere on the page.
• Marginal Notes (v0.2.3+): Top-of-page annotations.
• Footnotes (v0.2.7+): Endnotes and page-bottom notes with lujiao/circled numbering.
• TOC Entries: \条目 (v0.2.5+) with hierarchical indentation.

6. Layout Control & Commands

• Force Column: \列 (or \Column) forces content to start in a new column.
• Last Column: \末列 (or \LastColumn) places content in the last column.
• Flexible Widths: \行[width=2cm]{...} (v0.2.7+) for variable-width columns.
• Page Breaks: Supports standard \newpage and \clearpage.
• Natural Layout (v0.2.7+): layout-mode=natural for non-uniform spacing.

7. Decorations & Utilities

• Seals: Add collection or personal seals anywhere with opacity support.
• Fonts: Auto-detection, font families, and fallback chains. Supports simplified/traditional Chinese font names since v0.2.2.
• Textbox: Grid-based layout with auto-compression and filling.
• Correction & Decoration: Correction marks and character decoration.
• Elevation (v0.2.6+): Honorific elevation formatting (single/double/triple/flat).

8. Architecture & Debug Features (v0.2.0+)

• Style Registry: Multi-attribute style storage with cross-page preservation.
• Metadata System: Centralized book metadata management.
• Debug Mode: Grid visualization and layout debugging.
• Plugin Architecture: Standardized plugin API with three-phase interfaces.

9. Template System

Preset classical styles available out-of-the-box. See Templates.

• 四库全书 (Siku Quanshu): Qing Dynasty imperial style.
• 四库全书彩色: Colored version.
• 红楼梦甲戌本: Manuscript style.
• 中华书局 (v0.2.7+): Modern mainland-style vertical layout.

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👉 Next Steps: Check Templates | Debug Mode | Examples