Index: megatest.scm
==================================================================
--- megatest.scm
+++ megatest.scm
@@ -168,11 +168,14 @@
   -config fname           : override the megatest.config file with fname
   -append-config fname    : append fname to the megatest.config file
 
 Utilities
   -env2file fname         : write the environment to fname.csh and fname.sh
-  -envcap fname=context   : save current variables labeled as context in file fname
+  -envcap a               : save current variables labeled as context 'a' in file envdat.db
+  -envdelta a-b           : output enviroment delta from context a to context b to -o fname
+                            set the output mode with -dumpmode csh, sh or ini
+                            note: ini format will use calls to use curr and minimize path
   -refdb2dat refdb        : convert refdb to sexp or to format specified by -dumpmode
                             formats: perl, ruby, sqlite3, csv (for csv the -o param
                             will substitute %s for the sheet name in generating 
                             multiple sheets)
   -o                      : output file for refdb2dat (defaults to stdout)