From c5cdbaeaf84bbd68b4ba18979c796f4f0f0f7cd7 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 12 Jun 2023 17:48:30 +0200
Subject: Fix bug with extra table lines

Fixes #183
---
 library/src/layout/table.rs    |   4 ++++
 tests/ref/bugs/table-lines.png | Bin 0 -> 1180 bytes
 tests/typ/bugs/table-lines.typ |  10 ++++++++++
 3 files changed, 14 insertions(+)
 create mode 100644 tests/ref/bugs/table-lines.png
 create mode 100644 tests/typ/bugs/table-lines.typ

diff --git a/library/src/layout/table.rs b/library/src/layout/table.rs
index 3235c790..357263f4 100644
--- a/library/src/layout/table.rs
+++ b/library/src/layout/table.rs
@@ -175,6 +175,10 @@ impl Layout for TableElem {
 
         // Add lines and backgrounds.
         for (frame, rows) in layout.fragment.iter_mut().zip(&layout.rows) {
+            if layout.cols.is_empty() || rows.is_empty() {
+                continue;
+            }
+
             // Render table lines.
             if let Some(stroke) = &stroke {
                 let thickness = stroke.thickness;
diff --git a/tests/ref/bugs/table-lines.png b/tests/ref/bugs/table-lines.png
new file mode 100644
index 00000000..600391cb
Binary files /dev/null and b/tests/ref/bugs/table-lines.png differ
diff --git a/tests/typ/bugs/table-lines.typ b/tests/typ/bugs/table-lines.typ
new file mode 100644
index 00000000..7e954012
--- /dev/null
+++ b/tests/typ/bugs/table-lines.typ
@@ -0,0 +1,10 @@
+// Ensure no empty lines before a table that doesn't fit into the first page.
+
+---
+#set page(height: 50pt)
+
+Hello
+#table(
+  columns: 4,
+  [1], [2], [3], [4]
+)
-- 
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