Files
hdf5/docs
vchoi-hdfgroup 972020e69f Document the Metadata Cache Image block and header message (#6595)
* Document the Metadata Cache Image block and header message

Adds docs/doxygen/dox/H5.format.4.0.dox coverage for:
- Level 1J: the Metadata Cache Image Block (subsec_fmt4_infra_mdci)
- IV.A.3.y: the Metadata Cache Image header message (0x0018)
- TOC/cross-reference entries and the superblock-extension list entry for both

Also clarifies the 'Size of Header Message #n Data' field description
for v1 and v2 object header messages to note it includes flags/reserved
(v1) or flags/creation-order (v2) fields, not just type and length.

* Address review feedback on MDCI message docs

- Clarify that the Metadata Cache Image message and its image block
  are only removed/reclaimed on the next file open when the file is
  opened for read/write access; read-only opens leave them unchanged.
- Fix a malformed table row (missing closing </td>) in the Status
  field of the IV.A.3.y message table.
2026-08-05 17:41:26 -05:00
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