;; interaction among members.
;; Headers come in three flavors called level 0, 1 and 2 headers.
;; Level 2 header is free of DOS specific restrictions and most
-;; prevalently used. Also level 1 and 2 headers consist of base
+;; commonly used. Also level 1 and 2 headers consist of base
;; and extension headers. For more details see
;; http://homepage1.nifty.com/dangan/en/Content/Program/Java/jLHA/Notes/Notes.html
;; http://www.osirusoft.com/joejared/lzhformat.html