updates

diff --git a/delta-format.txt b/delta-format.txt
index 144d57263d45987204c7b2d3c5346939fc209e5d..60269bf83b1e2d06f87adb940e0db13838b822fc 100644 (file)
--- a/delta-format.txt
+++ b/delta-format.txt
@@ -14,13 +14,9 @@ manifest
 delta
        xdelta between the generated tarball and the original tarball.
 wrapper
-       Encapsulated delta file for the .gz (or other) wrapper for the
+       Encapsulated delta file for the .gz or .bz2 wrapper for the
        tarball. Optional, if not present a pristine .gz won't be generated.
 
-wrapper-bz2
-       Might be replaced with "wrapper" once the experimental bzip2
-       imeplementation reviewed.
-
 
 For gz files, wrapper contains:
 
@@ -39,10 +35,14 @@ delta
 For bzip2 files the wrapper contains:
 
 params
-       Currently, only the compression level is detected (4th byte of the
+       Typically, only the compression level is needed (4th byte of the
        compressed file), and its matching parameter stored: -N.
+       In some cases a -bN parameter is detected and stored.
 
 program
        Program used to compress. Almost everytime, it is bzip2 (or another
        implementation producing bit-identical results). pbzip2 might also be
-       detected, but several parameters might interfere (-r, -bN, -pN).
+       detected, but several parameters might interfere (-r, -pN).
+
+       It may also be zgz (the params will include --old-bzip2 in this
+       case.)