"Edward K. Ream" <edreamleo@charter.net>:
I was always under the impression that the clear statement in the Reference Manual that at signs are invalid everywhere (except in comments and strings) was a clear signal of an intention to keep those symbols for other valid purposes.
I've only ever regarded that as a statement about the status quo, not any kind of promise about the future. But maybe it would be a good idea to explicitly reserve some character (perhaps only at the beginning of a line). Greg Ewing, Computer Science Dept, +--------------------------------------+ University of Canterbury, | A citizen of NewZealandCorp, a | Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. | greg@cosc.canterbury.ac.nz +--------------------------------------+