From 001abd1d963963b82b0a4b79302284b2ffaf4345 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sat, 11 Oct 2025 19:00:43 +0200
Subject: HTML reader: allow blank space between open and close iframe.

---
 src/Text/Pandoc/Readers/HTML.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Text/Pandoc/Readers/HTML.hs b/src/Text/Pandoc/Readers/HTML.hs
index 3c8c9d50b..ab006547c 100644
--- a/src/Text/Pandoc/Readers/HTML.hs
+++ b/src/Text/Pandoc/Readers/HTML.hs
@@ -514,6 +514,7 @@ pIframe :: PandocMonad m => TagParser m Blocks
 pIframe = try $ do
   guardDisabled Ext_raw_html
   tag <- pSatisfy (tagOpen (=="iframe") (isJust . lookup "src"))
+  skipMany pBlank
   pCloses "iframe" <|> eof
   url <- canonicalizeUrl $ fromAttrib "src" tag
   if T.null url
-- 
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