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Re: [csswg-drafts] [css-values-4] Should simplification of Sum nodes convert to canonical units? (#4505)

From: Simon Fraser via GitHub <sysbot+gh@w3.org>
Date: Fri, 15 Nov 2019 05:51:04 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-554223009-1573797063-sysbot+gh@w3.org>
Some concrete examples where implementations seem to disagree. How do the following serialize?

- ``min(1)``: ``min(1)`` or ``1``?
- ``min(1, 2)``: ``min(1, 2)`` or ``1``?
- ``min(min(1))``: ``min(min(1))``, ``min(1)`` or ``1``?
- ``calc(min(1))``: ``calc(min(1))``, ``min(1)`` or ``1`` or other?

Questions:

1. Should simplification ever remove all the math functions?
2. Should nested math functions of different types be simplified, i.e. is it OK to simplify ``calc(calc(1))`` but not ``calc(min(1))``

@tabatkins the note at https://drafts.csswg.org/css-values-4/#calc-serialize says this is under discussion, but is there anything more recent than 2016?

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Received on Friday, 15 November 2019 05:51:06 UTC

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