--- pym/output.py
+++ pym/output.py
@@ -5,6 +5,8 @@
 
 import os,sys,re
 
+import portage
+
 havecolor=1
 dotitles=1
 
@@ -99,7 +101,7 @@
 		if (myt in legal_terms) or myt.startswith("xterm") or myt.startswith("screen"):
 			sys.stderr.write("\x1b]2;"+str(mystr)+"\x07")
 			sys.stderr.flush()
-		if (myt.startswith("screen")):
+		if (myt.startswith("screen") and ("screentitle" in portage.features)):
 			sys.stderr.write("\x1bk"+str(mystr)+"\x1b\\")
 			sys.stderr.flush()
 
--- cnf/make.conf	
+++ cnf/make.conf
@@ -290,6 +290,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -297,7 +298,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.alpha
+++ cnf/make.conf.alpha	
@@ -276,6 +276,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -283,7 +284,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.amd64	
+++ cnf/make.conf.amd64	
@@ -287,6 +287,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -294,7 +295,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.arm	
+++ cnf/make.conf.arm	
@@ -284,6 +284,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -291,7 +292,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.hppa	
+++ cnf/make.conf.hppa	
@@ -293,6 +293,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -300,7 +301,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.ia64	
+++ cnf/make.conf.ia64	
@@ -255,6 +255,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -262,7 +263,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.mips	
+++ cnf/make.conf.mips	
@@ -273,6 +273,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -280,7 +281,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.ppc	
+++ cnf/make.conf.ppc	
@@ -306,6 +306,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -313,7 +314,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.ppc64	
+++ cnf/make.conf.ppc64	
@@ -291,6 +291,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -298,7 +299,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.sparc	
+++ cnf/make.conf.sparc	
@@ -291,6 +291,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -298,7 +299,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is
--- cnf/make.conf.x86	
+++ cnf/make.conf.x86	
@@ -290,6 +290,7 @@
 #                after a merge -- for debugging purposes only. 
 #  'nostrip'     prevents the stripping of binaries.
 #  'notitles'    disables xterm titlebar updates (which contain status info). 
+#  'screentitle' enables screen title updates (if notitles is not set)
 #  'sandbox'     enables sandboxing when running emerge and ebuild.
 #  'strict'      causes portage to react strongly to conditions that are
 #                potentially dangerous, like missing/incorrect Manifest files.
@@ -297,7 +298,7 @@
 #                as a security measure.  As a side effect this can remove 
 #                sandbox access violations for users. 
 #  'usersandbox' enables sandboxing while portage is running under userpriv.
-#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles noclean noauto cvs keeptemp keepwork autoaddcvs"
+#FEATURES="sandbox buildpkg ccache distcc userpriv usersandbox notitles screentitle noclean noauto cvs keeptemp keepwork autoaddcvs"
 #FEATURES="sandbox ccache distcc distlocks autoaddcvs"
 #
 # CCACHE_SIZE sets the space use limitations for ccache. The default size is