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-rw-r--r--README9
1 files changed, 9 insertions, 0 deletions
diff --git a/README b/README
index fd89cb7..df747ef 100644
--- a/README
+++ b/README
@@ -31,6 +31,15 @@ make build-[module] Build a single module.
make clean Delete build artifacts and sources.
make bug-report Generate a bug report.
+= Environment variables =
+
+SUGAR_OUTPUT
+
+Sugar does not run properly on multiple video outputs, so we need to select one
+and turn off the others. By default we select the first output listed by RandR.
+You can set this variable to override that with any other of the connected
+outputs reported by xrandr command, for example VGA1 if you have an external monitor.
+
= Report bugs =
To generate bug report information