[wp-trac] [WordPress Trac] #57065: Fluid typography: custom values should be set as maximum font size, sizes below minimum shouldn't be clamped

[WordPress Trac]

#57065: Fluid typography: custom values should be set as maximum font size, sizes
below minimum shouldn't be clamped
-------------------------+-----------------------------
 Reporter:  ramonopoly   |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Editor       |    Version:  6.1
 Severity:  normal       |   Keywords:  needs-testing
  Focuses:  css          |
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 For 6.1.1

 When converting custom font sizes to fluid values, the fluid typography
 functions calculate the minimum and maximum font sizes either size of the
 given custom font size.

 Depending on the viewport width, the resulting fluid value may have a
 maximum font size value larger than the original custom value.

 This may contradict user expectations.

 All custom values should act as the maximum value in a clamp() function.

 For example, if 8px is the custom value provided, it would be the maximum
 as would 1000px.

 As for the minimum size, wherever the typography functions calculate one,
 that is, a min font size is not specified by theme.json, do not clampify
 font sizes <=14px. This is to prevent generating tiny font sizes.

 See original Gutenberg issue in
 https://github.com/WordPress/gutenberg/issues/45504

 Related trac ticket that introduced fluid typography in 6.1:
 https://core.trac.wordpress.org/ticket/56467

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Ticket URL: <https://core.trac.wordpress.org/ticket/57065>
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