You can use "hg log" for this.
hg log --verbose --rev=4:7 --style=changelog
Example:
$ hg log -v -r4:7 --style=changelog
2008-08-03 21:40 +0200 XXXXX <[email protected]> (475752c35880)
* osinfo.py: new file.
* os-info.py: deleted file.
* os-info.py, osinfo.py:
Rename os-info.py -> osinfo.py.
2008-08-03 21:52 +0200 XXXXXX <[email protected]> (babf6df75ff4)
* iterate_file_lines.py, osinfo.py:
Add keyword substitution strings.
2008-08-03 21:53 +0200 XXXXXX <[email protected]> (bc6fc22adb8e)
* iterate_file_lines.py:
Remove comment about coding conventions.
2008-08-08 19:43 +0200 XXXXXX <[email protected]> (dbea6914b20f)
* .hgignore: new file.
* .hgignore:
Add .hgignore.