[1] XFDL Version 4.0 Specification DRAFT 1 http://www.w3.org/TR/NOTE-XFDL
[3] XFDL Version 4.0 Specification DRAFT 1, , https://www.w3.org/TR/1998/NOTE-XFDL-19980902
[2] Submission request to the World Wide Web Consortium, , https://www.w3.org/Submission/1998/16/
[6] W3C Staff Comment on XFDL Submission, , https://www.w3.org/Submission/1998/16/Comment
[5] XFDL Version 4.0 Specification DRAFT 1, , https://www.w3.org/TR/1998/NOTE-XFDL-19980902#timeanddatefunctions
[4] XFDL Version 4.0 Specification DRAFT 1, , https://www.w3.org/TR/1998/NOTE-XFDL-19980902#format