Accessibility Rules

accessibility-rules Skill

Cross-format document accessibility rule reference with WCAG 2.2 mapping. Covers rule IDs for Word (DOCX-*), Excel (XLSX-*), PowerPoint (PPTX-*), and PDF (PDFUA.*, PDFBP.*, PDFQ.*) documents, and maps each finding to relevant WCAG success criteria for compliance reporting.

Agents That Use This Skill

Agent	Why
document-accessibility-wizard	Orchestration and cross-document pattern detection
word-accessibility	DOCX-* rule lookup
excel-accessibility	XLSX-* rule lookup
powerpoint-accessibility	PPTX-* rule lookup
pdf-accessibility	PDFUA.*, PDFBP.*, PDFQ.* lookup
cross-document-analyzer	Pattern aggregation across all rule namespaces

Rule Namespaces

Prefix	Format	Sub-Agent	Count
DOCX-E*	Word errors	word-accessibility	7 rules
DOCX-W*	Word warnings	word-accessibility	6 rules
DOCX-T*	Word tips	word-accessibility	3 rules
XLSX-E*	Excel errors	excel-accessibility	6 rules
XLSX-W*	Excel warnings	excel-accessibility	5 rules
XLSX-T*	Excel tips	excel-accessibility	3 rules
PPTX-E*	PowerPoint errors	powerpoint-accessibility	6 rules
PPTX-W*	PowerPoint warnings	powerpoint-accessibility	6 rules
PPTX-T*	PowerPoint tips	powerpoint-accessibility	4 rules
PDFUA.*	PDF/UA conformance	pdf-accessibility	30 rules
PDFBP.*	PDF best practices	pdf-accessibility	22 rules
PDFQ.*	PDF quality/pipeline	pdf-accessibility	4 rules
EPUB-E*	ePub errors	epub-accessibility	7 rules
EPUB-W*	ePub warnings	epub-accessibility	6 rules
EPUB-T*	ePub tips	epub-accessibility	3 rules

WCAG 2.2 Criterion Mapping

Level A

WCAG	Criterion	Related Rules
1.1.1	Non-text Content	DOCX-E001, XLSX-E004, PPTX-E003, PDFUA.IMG.ALT, EPUB-E005
1.3.1	Info and Relationships	DOCX-E002, DOCX-E004, XLSX-E001, XLSX-E003, PPTX-E001, PDFUA.TAGGED, PDFUA.HEADINGS
1.3.2	Meaningful Sequence	PPTX-E004, PDFUA.READING_ORDER, EPUB-E006
2.4.1	Bypass Blocks	PDFUA.BOOKMARKS, PDFBP.NAV, EPUB-E004
2.4.2	Page Titled	DOCX-E005, PPTX-E001, PDFUA.TITLE, EPUB-E001
2.4.6	Headings and Labels	DOCX-E002, DOCX-E003, XLSX-E001, PDFUA.HEADINGS
3.1.1	Language of Page	DOCX-E006, PDFUA.LANG, EPUB-E003
4.1.2	Name, Role, Value	PDFUA.FORMS, PDFUA.TAGS

Level AA

WCAG	Criterion	Related Rules
1.4.3	Contrast (Minimum)	DOCX-W004, PPTX-W003
1.4.5	Images of Text	PDFBP.IMG_TEXT
2.4.7	Focus Visible	PDFUA.FORMS
3.1.2	Language of Parts	DOCX-W005, PDFUA.LANG_PARTS

Severity Definitions

Severity	Impact on AT Users
Error	Content is inaccessible or unusable with assistive technology
Warning	Content is accessible but the experience is poor or confusing
Tip	Content works but could be improved for better AT experience

Compliance Standards

Standard	Scope	Key Rules
WCAG 2.2 Level A	International	All error-level rules
WCAG 2.2 Level AA	International	All error + warning rules
Section 508	US Federal	Mapped to WCAG 2.0 Level AA
EN 301 549	European Union	Mapped to WCAG 2.1 Level AA
PDF/UA (ISO 14289)	PDF-specific	All PDFUA.* rules

Skill Location

.github/skills/accessibility-rules/SKILL.md