Add note about installing into existing directory.
|@@ -92,6 +92,9 @@ in ``Bootstrap.1/bin/dylan-compiler``, the second generation in|
|``Bootstrap.3/bin/dylan-compiler``. The third generation will then be|
|installed as ``/opt/opendylan-current/bin/dylan-compiler``.|
|+Make sure that the target installation directory has been deleted. If you try|
|+to install into a directory that already has an older version of Open Dylan in|
|+it, the build will fail.|
|Compilation on Windows|