X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbin%2Froles%2Froles.ml;h=6d9620c8f633451fe3caffca93bf105161ea849c;hp=c3dce2b8d32d9087bc310a4f3bbd7c841d38a274;hb=cfccf434a57e10848d74d06674af4ec9cef0f0ca;hpb=7666f9dddfcaca5671dd25d3cd2095481968c7bf

diff --git a/matita/matita/contribs/lambdadelta/bin/roles/roles.ml b/matita/matita/contribs/lambdadelta/bin/roles/roles.ml
index c3dce2b8d..6d9620c8f 100644
--- a/matita/matita/contribs/lambdadelta/bin/roles/roles.ml
+++ b/matita/matita/contribs/lambdadelta/bin/roles/roles.ml
@@ -16,7 +16,7 @@ module EU = RolesUtils
 module WE = WebEngine
 
 let help_B = "<url>  Set this base url (default: http://helm.cs.unibo.it/lambdadelta/)"
-let help_C = "<dir>  Set this working directory (default: current directory)"
+let help_C = "<dir>  Set this relative working directory (default: invocation directory)"
 let help_L = " Debug osn lexer"
 let help_W = " Run as an LWS application"
 let help_X = " Reset all options to defaults"
@@ -30,6 +30,9 @@ let help_t = "<pointer>  Toggle the selection of this pointed entry"
 let help_w = " Save current status"
 let help   = "Usage: roles [ -LWXamprw | -B <url> | -C <dir> | -os <version> | -t <pointer> | <file> ]*"
 
+let change_cwd s =
+  EG.cwd := Filename.concat !EG.cwd s
+
 let add_tops s =
   EE.add_tops (EU.version_of_string s)
 
@@ -47,7 +50,7 @@ let process s =
 let _main = try
   Arg.parse [
     "-B", Arg.String ((:=) EG.base_url), help_B;
-    "-C", Arg.String ((:=) EG.wd), help_C;
+    "-C", Arg.String change_cwd, help_C;
     "-L", Arg.Set EG.debug_lexer, help_L;
     "-W", Arg.Unit WE.init, help_W;
     "-X", Arg.Unit EG.clear, help_X;