$doc := clone document

dup

Create and return a copy of a given document. Unless switch-to-new-documents configuration flag is turned off, the root node of the new document becomes the current node.

Calling this command only makes sense if either switch-to-new-documents is set, or if the result is assigned to a variable or passed to another XSH2 command using the &{...} syntax, since otherwise the newly created copy of the document is automatically garbage-collected and destroyed.

open, close, enc, documents