# bf-65nqz: Create no-mapping.md documentation file with structure section

## Task Completed

Bead bf-65nqz was already completed in a previous iteration. The work was done and committed as:
- **Commit:** 93d5f57d
- **Message:** docs(bf-65nqz): add PDF structure section to no-mapping.md fixture documentation

## Acceptance Criteria

### ✅ PASS: tests/fixtures/no-mapping.md file exists
The file exists at `/home/coding/pdftract/tests/fixtures/no-mapping.md` and contains comprehensive documentation.

### ✅ PASS: Structure section includes PDF metadata from pdfinfo/pdffonts
The PDF Structure section (lines 134-149) includes:
- **File Characteristics:** Size (660 bytes), pages (1), format (PDF 1.4), page size (612x792 pts), complexity analysis
- **Font Analysis:** Font name (CustomNoMap), type (Type 1), encoding (Custom), embedding status (no), subsetting (no), unicode mapping (no), object ID (5 0 R)
- **Technical Significance:** Explanation of what the fixture tests

### ✅ PASS: Document is organized with clear section headings
The document includes well-organized sections:
- Overview
- Fixture Structure (PDF Properties, Font Information, Content Stream Analysis, Custom Encoding Dictionary, Raw PDF Structure)
- **PDF Structure** (the section added for this bead)
- Expected Extraction Behavior
- Regeneration Instructions
- Inspection Commands
- Test Coverage
- Troubleshooting
- References

## Verification

The work integrates findings from child bead bf-4ozvw, which analyzed the PDF structure. The PDF Structure section documents:
- File-level metadata and characteristics
- Font analysis with all relevant properties
- Technical significance for testing

## Git Status

- **Commit:** 93d5f57d (already committed and pushed)
- **Branch:** main (up to date with remote)
- **File status:** Clean (no uncommitted changes)

## Conclusion

All acceptance criteria PASS. The bead is ready to close.