+.I suite
+may be
+.IR mainsuite \fB,\fR subsuite ...
+in which case dgit will synthesize a view giving the most
+recent version in any of the specified suites.
+(The subsuites do not need to have the package.)
+If a subsuite starts with
+.B -
+then mainsuite is prepended.
+Each of the suite names will be individually canonicalised
+to calculate the canonical branch names to use.
+When using this facility, it is important to always specify the
+same suites in the same order:
+dgit will not be make a coherent fast-forwarding history
+view otherwise.
+