This is a half pi shawl pattern comprised of mostly stockinette, with lace insertions every 12 rows. The lace portions are either a single row of eyelets, or a 12-row eyelet lattice. The shawl is worked from the back of the neck to the bottom edge, with L1L (left lifted) or yo (yarn over) increases every so many rows to increase the row length to a maximum of 260 stitches. It finishes with a picot edge that is made by knitting a row of eyelets, then a couple more rows, then it gets folded over and sewn with yarn (mattress stitch or similar).
Errata: May 13, 2012 I made Revision 2, which contains minor changes to number of rows 35-48 in Arc 5.
Errata: July 1, 2012 I made Revision 3, which contains minor changes to the row numbering in Arc 5.
Errata: Oct 23, 2012 I made Revision 4, which contains a minor change to the row number in Arc 5. The latest version is available in the link above!