From 919c87e988be07a9a4f54a85bbe865dd853f5c18 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Mon, 2 Feb 2026 11:45:06 +0100
Subject: [PATCH] fix: ignore blank lines in reflow prefix detection

---
 src/buffer/reflow.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/buffer/reflow.zig b/src/buffer/reflow.zig
index 40a977d..c2c109d 100644
--- a/src/buffer/reflow.zig
+++ b/src/buffer/reflow.zig
@@ -64,10 +64,10 @@ fn detect_prefix(text: []const u8) Prefix {
     const line1 = lines.next() orelse return .{};
     var prefix: []const u8 = line1;
     var count: usize = 0;
-    while (lines.next()) |line| {
+    while (lines.next()) |line| if (line.len > 0) {
         prefix = lcp(prefix, line);
         count += 1;
-    }
+    };
     if (count < 1) return .{
         .len = 0,
         .first = &.{},