Refactor alignments & directions 📐

- Adds lang function
- Refactors execution context
- Adds StackChild and ParChild enums

6 files changed, 16 insertions, 14 deletions

diff --git a/tests/ref/library/lang.png b/tests/ref/library/lang.png
new file mode 100644
index 00000000..98a63b6e
--- /dev/null
+++ b/tests/ref/library/lang.png
diff --git a/tests/ref/library/page.png b/tests/ref/library/page.png
index 8e5a83ff..9d2a6b95 100644
--- a/tests/ref/library/page.png
+++ b/tests/ref/library/page.png
diff --git a/tests/ref/library/spacing.png b/tests/ref/library/spacing.png
index c266b9fa..fa403a6d 100644
--- a/tests/ref/library/spacing.png
+++ b/tests/ref/library/spacing.png
diff --git a/tests/typ/library/lang.typ b/tests/typ/library/lang.typ
new file mode 100644
index 00000000..87d2c154
--- /dev/null
+++ b/tests/typ/library/lang.typ
@@ -0,0 +1,16 @@
+// Test the `lang` function.
+
+---
+Left to right.
+
+#lang("ar")
+Right to left.
+
+#lang(dir: ltr)
+Back again.
+
+---
+// Ref: false
+
+// Error: 12-15 must be horizontal
+#lang(dir: ttb)
diff --git a/tests/typ/library/page.typ b/tests/typ/library/page.typ
index 5123b876..7f9a0d2c 100644
--- a/tests/typ/library/page.typ
+++ b/tests/typ/library/page.typ
@@ -27,9 +27,6 @@
 // Error: 7-18 unknown variable
 #page(nonexistant)
 
-// Error: 17-20 aligned axis
-#page(main-dir: ltr)
-
 // Flipped predefined paper.
 #page("a11", flip: true)[Flipped A11]
 
@@ -38,10 +35,6 @@
 #page(flip: true)
 Wide
 
-// Test changing the layouting directions of pages.
-#page(height: 50pt, main-dir: btt, cross-dir: rtl)
-Right to left!
-
 ---
 // Test a combination of pages with bodies and normal content.
 
diff --git a/tests/typ/library/spacing.typ b/tests/typ/library/spacing.typ
index 6d50f0dc..bd38631e 100644
--- a/tests/typ/library/spacing.typ
+++ b/tests/typ/library/spacing.typ
@@ -16,10 +16,3 @@ Relative #h(100%) spacing
 // Missing spacing.
 // Error: 12 missing argument: spacing
 Totally #h() ignored
-
-// Swapped axes.
-#page(main-dir: rtl, cross-dir: ttb, height: 80pt)[
-    1 #h(1cm) 2
-
-    3 #v(1cm) 4 #v(-1cm) 5
-]