rackety handin-server docs and other repairs

collects/handin-server/scribblings/checker.scrbl

@@ -63,7 +63,10 @@ Keywords for configuring @scheme[check:]:
 
 @item{@indexed-scheme[:language]---the language that is used for
   evaluating submissions, same as the @scheme[_language] argument for
-  @scheme[make-evaluator] (see @schememodname[handin-server/sandbox]).
+  @scheme[make-evaluator] (see @schememodname[handin-server/sandbox]),
+  except that if the value ls @racket[(list 'module _spec)],
+  then @racket[make-module-evaluator] is used with @racket[_spec] 
+  as its @racket[#:language] argument.
   There is no default for this, so it must be set or an error is
   raised.  (See @scheme[call-with-evaluator/submission] for further
   details.)}

collects/handin-server/scribblings/client-customization.scrbl

@@ -6,8 +6,8 @@
 @itemize[
 @item{Rename (or make a copy of) the @filepath{handin-client}
 collection directory.  The new name should describe your class
-uniquely.  For example, @filepath{uu-cpsc2010} is a good name for CPSC
+uniquely.  For example, @filepath{uu-cs1410} is a good name for CS
-2010 at the University of Utah.}
+1410 at the University of Utah.}
 
 @item{Edit the first three definitions of @filepath{info.ss} in your
   renamed client collection:
@@ -48,7 +48,7 @@ uniquely.  For example, @filepath{uu-cpsc2010} is a good name for CPSC
   private.  (See @secref{server-setup}.)}
 
 @item{To create an installable package, run
-  @commandline{mzc --collection-plt <name>.plt <name>} where @tt{<name>}
+  @commandline{raco pack --collect <name>.plt <name>} where @tt{<name>}
   is the name that you chose for your directory (i.e., whatever you
   changed @filepath{handin-client} to).
 
@@ -59,7 +59,7 @@ uniquely.  For example, @filepath{uu-cpsc2010} is a good name for CPSC
   variable.  For example, if your customized collection directory is
   called @filepath{cs1} and it is located at
   @filepath{/home/joe/intro/cs1}, then you can run
-  @commandline{PLTCOLLECTS=/home/joe/intro: mzc --collection-plt cs1.plt cs1}
+  @commandline{PLTCOLLECTS=/home/joe/intro: raco pack --collect cs1.plt cs1}
   (Don't forget the colon at the end of the @envvar{PLTCOLLECTS} value;
   it is important!)
 

collects/handin-server/scribblings/quick-start.scrbl

@@ -36,10 +36,7 @@
   @scheme[server:port], @scheme[tools], @scheme[tool-names], and
   @scheme[tool-icons].}
 
-@item{Run @commandline{setup-plt -l handin-client}
+@item{Run @commandline{raco setup -l handin-client}
-
-  NOTE: Under Windows, the executable is @exec{Setup PLT} instead of
-  @exec{setup-plt}.
 
   NOTE: The command line arguments are optional, it restricts the
   setup work to the specified collection.}

collects/handin-server/scribblings/server-client.scrbl

@@ -3,11 +3,11 @@
 
 @title{Handin-Server and Client}
 
-The @filepath{handin-server} directory contains a server to be run by a
+The @filepath{handin-server} collection directory contains a server to be run by a
 course instructor for accepting homework assignments and reporting on
 submitted assignments.
 
-The @filepath{handin-client} directory contains a client to be
+The @filepath{handin-client} collection directory contains a client to be
 customized then re-distributed to students in the course.  The
 customized client will embed a particular hostname and port where the
 server is running, as well as a server certificate.

collects/handin-server/scribblings/wheres-the-collection.scrbl

@@ -5,7 +5,7 @@
 
 If you obtained the server and client by installing a @filepath{.plt}
 file, then the @filepath{handin-server} and @filepath{handin-client}
-directories might be in your PLT addon space.  Start Racket, and
+directories might be in your Racket addon space.  Start Racket, and
 enter @schemeblock[(collection-path "handin-server")]
 @schemeblock[(collection-path "handin-client")] to find out where
 these collections are.