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-rw-r--r--src/H5Oprivate.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index eab5d2c..c38ddea 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -154,7 +154,7 @@ typedef struct H5O_copy_t {
#define H5O_FILL_NEW_ID 0x0005 /* Fill Value Message. (New) */
#define H5O_LINK_ID 0x0006 /* Link Message. */
#define H5O_EFL_ID 0x0007 /* External File List Message */
-#define H5O_LAYOUT_ID 0x0008 /* Data Storage Layout Message. */
+#define H5O_LAYOUT_ID 0x0008 /* Data Layout Message. */
#define H5O_BOGUS_ID 0x0009 /* "Bogus" Message. */
#define H5O_GINFO_ID 0x000a /* Group info Message. */
#define H5O_PLINE_ID 0x000b /* Filter pipeline message. */
@@ -346,7 +346,12 @@ typedef struct H5O_efl_t {
*/
#define H5O_LAYOUT_VERSION_3 3
-/* This version adds different types of indices to chunked datasets */
+/* This version adds different types of indices to chunked datasets, allows
+ * for larger chunk dimensions, stores chunk indices into their own
+ * message (the "layout index" message), adds features for compact/dense
+ * storage of elements and/or chunk records, adds features for abbreviating
+ * the storage used for partial chunks on boundaries, etc.
+ */
#define H5O_LAYOUT_VERSION_4 4
/* The latest version of the format. Look through the 'encode'