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1. • CommentRowNumber1.
   • CommentAuthorzskoda
   • CommentTimeOct 11th 2024
   • (edited Oct 11th 2024)
   • PermaLink
   Author: zskoda
   Format: MarkdownItexI reverted back to > This polynomial is an invariant of the knot, the __Alexander polynomial__ of the knot. I see no reason for a strange comma before "is". The second comma is before the appositional phrase. <a href="https://ncatlab.org/nlab/revision/diff/Fox+derivative/23">diff</a>, <a href="https://ncatlab.org/nlab/revision/Fox+derivative/23">v23</a>, <a href="https://ncatlab.org/nlab/show/Fox+derivative">current</a>

   I reverted back to

   This polynomial is an invariant of the knot, the Alexander polynomial of the knot.

   I see no reason for a strange comma before “is”. The second comma is before the appositional phrase.

   diff, v23, current

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeOct 11th 2024
   • PermaLink
   Author: Urs
   Format: MarkdownItexGood catch. That's a strange edit in [revision 22](https://ncatlab.org/nlab/revision/diff/Fox+derivative/22). Maybe a spammer testing the waters.

   Good catch. That’s a strange edit in revision 22. Maybe a spammer testing the waters.