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Tags shouldn't affect row height in equations (#5458)

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Max 2024-11-26 12:37:53 +00:00 committed by GitHub
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3 changed files with 13 additions and 1 deletions
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5
crates/typst-layout/src/math/run.rs
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@ -419,7 +419,10 @@ impl MathRunFrameBuilder {
} }
fn affects_row_height(fragment: &MathFragment) -> bool { fn affects_row_height(fragment: &MathFragment) -> bool {
!matches!(fragment, MathFragment::Align | MathFragment::Linebreak) !matches!(
fragment,
MathFragment::Align | MathFragment::Linebreak | MathFragment::Tag(_)
)
} }
/// Create the spacing between two fragments in a given style. /// Create the spacing between two fragments in a given style.

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9
tests/suite/math/equation.typ
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@ -260,6 +260,15 @@ $ q &= sum_k ln A \
// Test numbering on empty equations. // Test numbering on empty equations.
#math.equation(numbering: "1", block: true, []) #math.equation(numbering: "1", block: true, [])
--- math-equation-tag-affects-row-height ---
// Tags should not affect the row height of equations.
#box($ - - $, fill: silver)
#box($ #metadata(none) - - $, fill: silver) \
#box($ a \ - - $, fill: silver)
#box($ a \ #metadata(none) - - $, fill: silver)
#box($ - - \ a $, fill: silver)
#box($ #metadata(none) - - \ a $, fill: silver)
--- issue-4187-alignment-point-affects-row-height --- --- issue-4187-alignment-point-affects-row-height ---
// In this bug, a row of "-" only should have a very small height; but // In this bug, a row of "-" only should have a very small height; but
// after adding an alignment point "&", the row gains a larger height. // after adding an alignment point "&", the row gains a larger height.