Non-Latin and complex scripts — Arabic and kashida justification, Hebrew and bidi, Indic shaping, Thai, CJK grids, ruby and vertical text.

OfficeMath (OMML) — inline and display equations, matrices, fractions and stretchy delimiters.

Embedded and drawn objects — pictures, watermarks, WordArt and text warps, autofit shapes and colour emoji glyphs.

Whole documents pulled from the wild — legal agreements, government RFPs, scientific and medical templates, and multi-column journal layouts — exercising every feature at once.

Page and character layout — columns, sections and breaks, drop caps, borders, styles, frames, orientation, mirror margins and typography.

Everyday document content — body text, paragraphs, footnotes and endnotes, fields, tables of contents, tracked changes, comments and form controls.

Table structure and rendering — nested tables, row splitting across pages, computed row heights, and extreme or very long tables.

Tab positioning — left, center, right, decimal and bar stops, default increments, and dot, hyphen, underscore, middle-dot and heavy leaders.

Fixtures not yet mapped to a category. New fixtures land here until they are classified in FIXTURE_CATEGORY.