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-rw-r--r--src/io/buffer.nim1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/io/buffer.nim b/src/io/buffer.nim
index a33c88ff..6288bf88 100644
--- a/src/io/buffer.nim
+++ b/src/io/buffer.nim
@@ -619,6 +619,7 @@ proc renderPlainText*(buffer: Buffer, text: string) =
     buffer.setText(0, y, line.toRunes())
 
 proc renderDocument*(buffer: Buffer) =
+  buffer.clearText()
   var stack: seq[CSSBox]
   stack.add(buffer.document.root.box)
   while stack.len > 0: