convert: document convert.hg.startrev

hgext/convert/__init__.py

@@ -192,6 +192,9 b' def convert(ui, src, dest=None, revmapfi'
         (forces target IDs to change). It takes a boolean argument and
         defaults to False.
 
+    :convert.hg.startrev: specify the initial Mercurial revision.
+        The default is 0.
+
     :convert.hg.revs: revset specifying the source revisions to convert.
 
     CVS Source

tests/test-convert.t

@@ -143,6 +143,8 b''
                     store original revision ID in changeset (forces target IDs
                     to change). It takes a boolean argument and defaults to
                     False.
+      convert.hg.startrev
+                    specify the initial Mercurial revision. The default is 0.
       convert.hg.revs
                     revset specifying the source revisions to convert.