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-rw-r--r--tests/ref/math-equation-number-align-multiline-expand.pngbin518 -> 1250 bytes
-rw-r--r--tests/ref/math-equation-number-align-multiline-no-expand.pngbin0 -> 1050 bytes
-rw-r--r--tests/suite/math/equation.typ67
3 files changed, 56 insertions, 11 deletions
diff --git a/tests/ref/math-equation-number-align-multiline-expand.png b/tests/ref/math-equation-number-align-multiline-expand.png
index b6546433..f3e67c23 100644
--- a/tests/ref/math-equation-number-align-multiline-expand.png
+++ b/tests/ref/math-equation-number-align-multiline-expand.png
Binary files differ
diff --git a/tests/ref/math-equation-number-align-multiline-no-expand.png b/tests/ref/math-equation-number-align-multiline-no-expand.png
new file mode 100644
index 00000000..ca451d19
--- /dev/null
+++ b/tests/ref/math-equation-number-align-multiline-no-expand.png
Binary files differ
diff --git a/tests/suite/math/equation.typ b/tests/suite/math/equation.typ
index d4fba36b..e7ae677e 100644
--- a/tests/suite/math/equation.typ
+++ b/tests/suite/math/equation.typ
@@ -194,22 +194,67 @@ $ q &= sum_k ln A \
// numbering's layout box. Note we use pattern "1" here, not "(1)", since
// the parenthesis exceeds the numbering's layout box, due to the default
// settings of top-edge and bottom-edge of the TextElem that laid it out.
+#let equations = [
+ #box($ - - - $, fill: silver)
+ #box(
+ $ - - - \
+ a = b $,
+ fill: silver)
+ #box(
+ $ a = b \
+ - - - $,
+ fill: silver)
+]
+
#set math.equation(numbering: "1", number-align: top)
-#box(
-$ - &- - \
- a &= b $,
-fill: silver)
+#equations
#set math.equation(numbering: "1", number-align: horizon)
-#box(
-$ - - - $,
-fill: silver)
+#equations
#set math.equation(numbering: "1", number-align: bottom)
-#box(
-$ a &= b \
- - &- - $,
-fill: silver)
+#equations
+
+--- math-equation-number-align-multiline-no-expand ---
+// Tests that if the numbering's layout box doesn't vertically exceed the
+// box of the equation frame's boundary, the latter's frame size remains.
+// So, in the grid below, frames in each row should have the same height.
+#set math.equation(numbering: "1")
+#grid(
+ columns: 4 * (1fr,),
+ column-gutter: 3 * (2pt,),
+ row-gutter: 2pt,
+ align: horizon,
+ [
+ #set math.equation(number-align: horizon)
+ #box($ - - \ a \ sum $, fill: silver)
+ ],
+ [
+ #set math.equation(number-align: bottom)
+ #box($ - - \ a \ sum $, fill: silver)
+ ],
+ [
+ #set math.equation(number-align: horizon)
+ #box($ sum \ a \ - - $, fill: silver)
+ ],
+ [
+ #set math.equation(number-align: top)
+ #box($ sum \ a \ - - $, fill: silver)
+ ],
+
+ [
+ #set math.equation(number-align: horizon)
+ #box($ - - $, fill: silver)
+ ],
+ [
+ #set math.equation(number-align: top)
+ #box($ - - $, fill: silver)
+ ],
+ [
+ #set math.equation(number-align: bottom)
+ #box($ - - $, fill: silver)
+ ],
+)
--- issue-numbering-hint ---
// In this bug, the hint and error messages for an equation