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+// Test bidirectional text and language configuration.
+
+--- bidi-en-he-top-level ---
+// Test reordering with different top-level paragraph directions.
+#let content = par[Text טֶקסט]
+#text(lang: "he", content)
+#text(lang: "de", content)
+
+--- bidi-consecutive-embedded-ltr-runs ---
+// Test that consecutive, embedded LTR runs stay LTR.
+// Here, we have two runs: "A" and italic "B".
+#let content = par[أنت A#emph[B]مطرC]
+#set text(font: ("PT Sans", "Noto Sans Arabic"))
+#text(lang: "ar", content)
+#text(lang: "de", content)
+
+--- bidi-consecutive-embedded-rtl-runs ---
+// Test that consecutive, embedded RTL runs stay RTL.
+// Here, we have three runs: "גֶ", bold "שֶׁ", and "ם".
+#let content = par[Aגֶ#strong[שֶׁ]םB]
+#set text(font: ("Linux Libertine", "Noto Serif Hebrew"))
+#text(lang: "he", content)
+#text(lang: "de", content)
+
+--- bidi-nesting ---
+// Test embedding up to level 4 with isolates.
+#set text(dir: rtl)
+א\u{2066}A\u{2067}Bב\u{2069}?
+
+--- bidi-manual-linebreak ---
+// Test hard line break (leads to two paragraphs in unicode-bidi).
+#set text(lang: "ar", font: ("Noto Sans Arabic", "PT Sans"))
+Life المطر هو الحياة \
+الحياة تمطر is rain.
+
+--- bidi-spacing ---
+// Test spacing.
+L #h(1cm) ריווחR \
+Lריווח #h(1cm) R
+
+--- bidi-obj ---
+// Test inline object.
+#set text(lang: "he")
+קרנפיםRh#box(image("/assets/images/rhino.png", height: 11pt))inoחיים
+
+--- bidi-whitespace-reset ---
+// Test whether L1 whitespace resetting destroys stuff.
+الغالب #h(70pt) ن#" "ة
+
+--- bidi-explicit-dir ---
+// Test explicit dir
+#set text(dir: rtl)
+#text("8:00 - 9:00", dir: ltr) בבוקר
+#linebreak()
+ב #text("12:00 - 13:00", dir: ltr) בצהריים
+
+--- bidi-raw ---
+// Mixing raw
+#set text(lang: "he")
+לדוג. `if a == b:` זה תנאי
+#set raw(lang: "python")
+לדוג. `if a == b:` זה תנאי
+
+#show raw: set text(dir:rtl)
+לתכנת בעברית `אם א == ב:`
+
+--- bidi-vertical ---
+// Test setting a vertical direction.
+// Error: 16-19 text direction must be horizontal
+#set text(dir: ttb)
+
+--- issue-1373-bidi-tofus ---
+// Test that shaping missing characters in both left-to-right and
+// right-to-left directions does not cause a crash.
+#"\u{590}\u{591}\u{592}\u{593}"
+
+#"\u{30000}\u{30001}\u{30002}\u{30003}"