OK, so the wording for the Overview page could be something like:
• Short identifiers have no spaces in them consist of ASCII
letters (A-Za-z), digits (0-9), full stops (.) and hyphen or minus signs (-)
-- zvr –
From: Kate Stewart <kstew...@linuxfoundation.org>
Sent: Friday, 15 June, 2018 19:51
To: Philippe Ombredanne <pombreda...@nexb.com>
Cc: Zavras, Alexios <alexios.zav...@intel.com>; J Lovejoy
<opensou...@jilayne.com>; SPDX-legal <spdx-legal@lists.spdx.org>
Subject: Re: explanation for ensuring no duplicate identifiers
On Fri, Jun 15, 2018 at 12:25 PM, Philippe Ombredanne
<pombreda...@nexb.com<mailto:pombreda...@nexb.com>> wrote:
Alexios:
good catch, though even printable may be too generous. A colon is
printable and not a supported in a Windows file name for instance.
Jilayne:
We could/should more simply list the allowed characters and be very specific.
Here is my suggestion:
Allowed characters are ASCII:
- Lower and upper case letters from A to Z.
- Numbers from 0 to 9
- Dash '-', underscore '_', period '.' and plus '+'
need to be a little careful here Philippe...
"+" is reserved for license expressions.
Best to stick with what's in Appendix IV of the spec today
idstring = 1*(ALPHA / DIGIT / "-" / "." )
where ALPHA and DIGIT are per definition in
https://tools.ietf.org/html/rfc5234
ALPHA = %x41-5A / %x61-7A ; A-Z / a-z
DIGIT = %x30-39 ; 0-9
If you want to see "_" added, then probably should open an issue
against the spec for 2.2 and get it consistent tthroughout.
Thanks, Kate
Intel Deutschland GmbH
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