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This PR improves the upgrade tool to make sure that newly upgraded --spacing(2) CSS functions is pretty printed to prevent unambiguous looking classes (even though it compiles correctly).

If you have a class such as m-[calc(100dvh-theme(spacing.2))], then we used to convert it to m-[calc(100dvh-calc(var(--spacing)*2))]. But recently we introduced the --spacing(2) CSS function which means that the output now looks like this instead: m-[calc(100dvh---spacing(2))].

The triple - is valid because the first - is the minus sign, the next two - characters are from the function.

One solution is to introduce spaces via underscores:

m-[calc(100dvh_-_--spacing(2))]

But a simpler solution, is to wrap the --spacing(2) in parens to remove the underscores and improve the readability of the --- characters.

m-[calc(100dvh-(--spacing(2)))]

@RobinMalfait RobinMalfait requested a review from a team as a code owner January 10, 2025 11:34
@RobinMalfait RobinMalfait enabled auto-merge (squash) January 10, 2025 11:43
@RobinMalfait RobinMalfait force-pushed the fix/pretty-print-spacing-function branch from cf98fac to f6e4745 Compare January 10, 2025 13:15
@RobinMalfait RobinMalfait merged commit b4a20af into next Jan 10, 2025
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@RobinMalfait RobinMalfait deleted the fix/pretty-print-spacing-function branch January 10, 2025 14:07
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2 participants