Adjust attach() per TeXbook Appendix G 18a (#1129)

12 files changed, 10 insertions, 0 deletions

diff --git a/tests/ref/bugs/math-realize.png b/tests/ref/bugs/math-realize.png
index c4824403..4f5b887e 100644
--- a/tests/ref/bugs/math-realize.png
+++ b/tests/ref/bugs/math-realize.png
diff --git a/tests/ref/math/accent.png b/tests/ref/math/accent.png
index a324d3f0..11de9e28 100644
--- a/tests/ref/math/accent.png
+++ b/tests/ref/math/accent.png
diff --git a/tests/ref/math/attach.png b/tests/ref/math/attach.png
index e65a1691..9a32b64c 100644
--- a/tests/ref/math/attach.png
+++ b/tests/ref/math/attach.png
diff --git a/tests/ref/math/frac.png b/tests/ref/math/frac.png
index 58d8ef89..6f0e8139 100644
--- a/tests/ref/math/frac.png
+++ b/tests/ref/math/frac.png
diff --git a/tests/ref/math/matrix.png b/tests/ref/math/matrix.png
index f74384a3..9e357146 100644
--- a/tests/ref/math/matrix.png
+++ b/tests/ref/math/matrix.png
diff --git a/tests/ref/math/multiline.png b/tests/ref/math/multiline.png
index a5e53bc7..ae847434 100644
--- a/tests/ref/math/multiline.png
+++ b/tests/ref/math/multiline.png
diff --git a/tests/ref/math/numbering.png b/tests/ref/math/numbering.png
index 8ccb3ac6..6256310f 100644
--- a/tests/ref/math/numbering.png
+++ b/tests/ref/math/numbering.png
diff --git a/tests/ref/math/root.png b/tests/ref/math/root.png
index b7d2807d..8a6a6e13 100644
--- a/tests/ref/math/root.png
+++ b/tests/ref/math/root.png
diff --git a/tests/ref/math/spacing.png b/tests/ref/math/spacing.png
index 94ca9b98..d15d6607 100644
--- a/tests/ref/math/spacing.png
+++ b/tests/ref/math/spacing.png
diff --git a/tests/ref/math/style.png b/tests/ref/math/style.png
index 46d72662..f4a42c70 100644
--- a/tests/ref/math/style.png
+++ b/tests/ref/math/style.png
diff --git a/tests/ref/meta/figure.png b/tests/ref/meta/figure.png
index 35d7b4a0..4969e5a0 100644
--- a/tests/ref/meta/figure.png
+++ b/tests/ref/meta/figure.png
diff --git a/tests/typ/math/attach.typ b/tests/typ/math/attach.typ
index 070b9eca..1649ae02 100644
--- a/tests/typ/math/attach.typ
+++ b/tests/typ/math/attach.typ
@@ -69,6 +69,16 @@ $ sqrt(a_(1/2)^zeta), sqrt(a_alpha^(1/2)), sqrt(a_(1/2)^(3/4)) \
 $ (-1)^n + (1/2 + 3)^(-1/2) $
 
 ---
+#set text(size: 8pt)
+
+// Test that the attachments are aligned horizontally.
+$ x_1 p_1 frak(p)_1 2_1 dot_1 lg_1 !_1 \\_1 ]_1 "ip"_1 op("iq")_1 \
+  x^1 b^1 frak(b)^1 2^1 dot^1 lg^1 !^1 \\^1 ]^1 "ib"^1 op("id")^1 \
+  x_1 y_1 "_"_1 x^1 l^1 "`"^1 attach(I,tl:1,bl:1,tr:1,br:1)
+  scripts(sum)_1^1 integral_1^1 |1/2|_1^1 \
+  x^1_1, "("b y")"^1_1 != (b y)^1_1, "[∫]"_1 [integral]_1 $
+
+---
 // Test limit.
 $ lim_(n->oo \ n "grows") sum_(k=0 \ k in NN)^n k $