* hbytes raw2h BINARY => hex
* hbytes h2raw HEX => binary
*
- * hbytes prefix VAR [VALUE ...] = set VAR [concat VALUE ... $VAR]
- * hbytes append VAR [VALUE ...] = set VAR [concat $VAR VALUE ...]
- * hbytes concat VAR [VALUE ...] = set VAR [concat VALUE ...]
+ * hbytes prepend VAR [VALUE ...] = set VAR [concat VALUE ... $VAR]
+ * hbytes append VAR [VALUE ...] = set VAR [concat $VAR VALUE ...]
+ * hbytes concat VAR [VALUE ...] = set VAR [concat VALUE ...]
* hbytes unprepend VAR PREFIXLENGTH => prefix (removed from VAR)
* hbytes unappend VAR SUFFIXLENGTH => suffix (removed from VAR)
* hbytes chopto VAR NEWVARLENGTH => suffix (removed from VAR)