From 14b7e5143fd196d986ab642852236c8ac263a831 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Sat, 13 Sep 2025 21:09:59 +0000
Subject: [PATCH] md-editor: fix extra http roundtrip;

the check for a leading newline was not specific enough,
accidentally matching the opening line of a json document,
triggering the xhr safeguard and wasting a roundtrip
---
 copyparty/httpcli.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index c4e70274..2f36c04c 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -4911,8 +4911,8 @@ class HttpCli(object):
             else:
                 fullfile = b""
 
-            if not sz_md and b"\n" in buf[:2]:
-                lead = buf[: buf.find(b"\n") + 1]
+            if not sz_md and buf.startswith((b"\n", b"\r\n")):
+                lead = b"\n" if buf.startswith(b"\n") else b"\r\n"
                 sz_md += len(lead)
 
             sz_md += len(buf)