# HG changeset patch # User wenzelm # Date 1261499141 -3600 # Node ID 69b7e50656c36579ab62e703a151dc3ebf70435a # Parent 610ec1e0c8485e2c437d8a9391d2823decce4890 tuned; diff -r 610ec1e0c848 -r 69b7e50656c3 src/Pure/System/isabelle_system.scala --- a/src/Pure/System/isabelle_system.scala Tue Dec 22 17:13:43 2009 +0100 +++ b/src/Pure/System/isabelle_system.scala Tue Dec 22 17:25:41 2009 +0100 @@ -14,6 +14,7 @@ import scala.io.Source import scala.util.matching.Regex +import scala.collection.mutable object Isabelle_System @@ -319,7 +320,7 @@ def find_logics(): List[String] = { val ml_ident = getenv_strict("ML_IDENTIFIER") - var logics: Set[String] = Set() + val logics = new mutable.ListBuffer[String] for (dir <- getenv_strict("ISABELLE_PATH").split(":")) { val files = platform_file(dir + "/" + ml_ident).listFiles() if (files != null) {