Provide `highlight` function for setting the background color of text (#2076)

1 files changed, 29 insertions, 3 deletions

diff --git a/tests/typ/text/deco.typ b/tests/typ/text/deco.typ
index f3be17e7..b79b80b2 100644
--- a/tests/typ/text/deco.typ
+++ b/tests/typ/text/deco.typ
@@ -20,14 +20,40 @@
 
 ---
 #let redact = strike.with(stroke: 10pt, extent: 0.05em)
-#let highlight = strike.with(stroke: 10pt + rgb("abcdef88"), extent: 0.05em)
+#let highlight-custom = strike.with(stroke: 10pt + rgb("abcdef88"), extent: 0.05em)
 
 // Abuse thickness and transparency for redacting and highlighting stuff.
 Sometimes, we work #redact[in secret].
-There might be #highlight[redacted] things.
- underline()
+There might be #highlight-custom[redacted] things.
 
 ---
 // Test stroke folding.
 #set underline(stroke: 2pt, offset: 2pt)
 #underline(text(red, [DANGER!]))
+
+---
+// Test highlight.
+This is the built-in #highlight[highlight with default color].
+We can also specify a customized value
+#highlight(fill: green.lighten(80%))[to highlight].
+
+---
+// Test default highlight bounds.
+#highlight[ace],
+#highlight[base],
+#highlight[super],
+#highlight[phone #sym.integral]
+
+---
+// Test a tighter highlight.
+#set highlight(top-edge: "x-height", bottom-edge: "baseline")
+#highlight[ace],
+#highlight[base],
+#highlight[super],
+#highlight[phone #sym.integral]
+
+---
+// Test a bounds highlight.
+#set highlight(top-edge: "bounds", bottom-edge: "bounds")
+#highlight[abc]
+#highlight[abc #sym.integral]