Reported by Gérard Talbot
18.104.22.168 (Fixed table layout) says:
# The width of the table is then the greater of the value of the
# 'width' property for the table element and the sum of the column
# widths (plus cell spacing or borders).
Which borders are being referred to? Note that the difference between collapsed border model and separated border model introduces considerations here.
See also Bug 15460 (Unclear how non-auto width cell in first row determines column width in fixed table layout) where a similar consideration applies.
Conversation begins: http://lists.w3.org/Archives/Public/www-style/2011Nov/0368.html
Bug description: http://lists.w3.org/Archives/Public/www-style/2011Nov/0467.html
See related post about table widths in fixed layout: http://lists.w3.org/Archives/Public/www-style/2011Nov/0470.html
Thank you Anton for filing this bug.
All this bug is requesting is just a few words to make things perfectly clear and not be a source of interpretation or possible confusion.
"(plus cell spacing or borders)"
"(plus table border-spacing if the table uses the separated borders border
model or plus half of table borders if the table uses the collapsing
See also Bug 17135: Border vagueness in definition of table height and in layout algorithms.