Discussion:
[css-multicol] width:medium and style:none initially???
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Dennis Heuer
2018-01-14 18:56:11 UTC
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Hello,

I already wrote this to the border-guys from whom you seem to inherit
rules (but your links ain't work, always lead to the beginning of the
border-spec)

You inherit the rules for borders when you state that the
column-rule-width is medium and the column-rule-style is none. This
causes the same (unneccessary) extra convention:

"The none value forces the computed value of column-rule-width to be 0."

---
Btw., one could argue that, against this convention, the column-rule
should still take the space but be invisible, rather causing
column-rule-color to be set to translucent.
---

In contrast, the property text-decoration-style defaults to solid, and
the property text-decoration-line defaults to none. This is far more
sane in two ways:

1) No neccessity for the above extra convention

2) The 'on/off-switch' for the decoration line is the line property
instead of the style property, which is far more logical from my point
of view. Because text-decoration-color is initially currentcolor,
setting text-decoration-line to, say, underline gives a nice default
underline of solid style in text color. That is good! I'd want this for
column-rulers as well! Specify the initial value for width as none,
the initial value for style as solid and the initial value for color as
currentcolor and switching width to medium gives a nice default ruler!

3) Now style:none can mean an invisible divider (a line of space) or is
just a redundant value (also a good thing, if you skip it!)

Regards,
---------------------------------------------------------------------
Dennis Heuer
***@verschwendbare-verweise.seinswende.de
Florian Rivoal
2018-01-15 02:51:53 UTC
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Post by Dennis Heuer
Hello,
I already wrote this to the border-guys from whom you seem to inherit
rules (but your links ain't work, always lead to the beginning of the
border-spec)
You inherit the rules for borders when you state that the
column-rule-width is medium and the column-rule-style is none. This
"The none value forces the computed value of column-rule-width to be 0."
---
Btw., one could argue that, against this convention, the column-rule
should still take the space but be invisible, rather causing
column-rule-color to be set to translucent.
---
In contrast, the property text-decoration-style defaults to solid, and
the property text-decoration-line defaults to none. This is far more
1) No neccessity for the above extra convention
2) The 'on/off-switch' for the decoration line is the line property
instead of the style property, which is far more logical from my point
of view. Because text-decoration-color is initially currentcolor,
setting text-decoration-line to, say, underline gives a nice default
underline of solid style in text color. That is good! I'd want this for
column-rulers as well! Specify the initial value for width as none,
the initial value for style as solid and the initial value for color as
currentcolor and switching width to medium gives a nice default ruler!
3) Now style:none can mean an invisible divider (a line of space) or is
just a redundant value (also a good thing, if you skip it!)
Hi,

Thank you for this comment. This issue is similar to the one you raised
against the css-ui specification in the following email:

https://lists.w3.org/Archives/Public/www-style/2018Jan/0040.html

The answer is similar as well:

Regardless of the merits of your proposal, we cannot change the behavior
of a property that has been shipping in multiple web browsers for several
years without breaking significant amounts of contents.

Best regards,
—Florian Rivoal

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