It's been renamed to -sourcetab -- it should set the number of spaces,
but no longer calls -linksource: (Please let us know if this is not the behavior)
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4788919
Sorry for the oversight in documenting it in theJavadoc reference and "what's new" pages. The new option appears with "javadoc -help":
-sourcetab <tab length> Specify the number of spaces each tab takes up in the source
-Doug Kramer