Index: mttroot/mtt/bin/trans/sympar2par_txt2m
==================================================================
--- mttroot/mtt/bin/trans/sympar2par_txt2m
+++ mttroot/mtt/bin/trans/sympar2par_txt2m
@@ -8,14 +8,20 @@
 
 # Symbolic parameters parameter conversion
 # Used in lang_header
 # Copyright (C) 2000 by Peter J. Gawthrop
 
-
-strip_comments <$1_sympar.txt  |\
-awk '{
-  i++; printf("  %s = mttpar(%i);\n", tolower($1), i);
-}'
+if [ "$2" = "zero" ]; then
+  strip_comments <$1_sympar.txt  |\
+  awk '{
+    i++; printf(" %s = 0.0;\n", tolower($1));
+  }'
+else
+  strip_comments <$1_sympar.txt  |\
+  awk '{
+    i++; printf("  %s = mttpar(%i);\n", tolower($1), i);
+  }'
+fi