[1] X Sharp/Introduction ( 版) http://wiki.codeglide.com/X_Sharp/Introduction#XML-oriented_Programming_Introduction

xsp:variable name="inbox" type="node" select="document('imap://imap.gmail.com?user=admin&pass=secret')/folder[@name='INBOX']"/

[2] X Sharp/Examples ( 版) http://wiki.codeglide.com/X_Sharp/Examples

xsp:for-each select="document('imaps://imap.gmail.com?user=jkirk@gmail.com&pass=secret')/folder[@name='INBOX']/mail[@seen = 'false']"

[3] RFC 4468 - Message Submission BURL Extension () https://tools.ietf.org/html/rfc4468

burl-param = "imap" / ("imap://" authority)

; parameter to BURL EHLO keyword

burl-cmd = "BURL" SP absolute-URI [SP end-marker] CRLF

end-marker = "LAST"