From e5615ce02d2507025c0ef51e79f232f89703b7cc Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 19 Sep 2022 10:42:54 +0200
Subject: [PATCH] Fix cost if last line is justified

---
 src/library/text/par.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/library/text/par.rs b/src/library/text/par.rs
index 38240b3d..6c5c9765 100644
--- a/src/library/text/par.rs
+++ b/src/library/text/par.rs
@@ -780,16 +780,12 @@ fn linebreak_optimized<'a>(
                 // this breakpoint.
                 active = i + 1;
                 MAX_COST
-            } else if eof {
-                // This is the final line and its not overfull since then we
-                // would have taken the above branch.
-                0.0
-            } else if mandatory {
+            } else if mandatory || eof {
                 // This is a mandatory break and the line is not overfull, so it
                 // has minimum cost. All breakpoints before this one become
                 // inactive since no line can span above the mandatory break.
                 active = k;
-                MIN_COST
+                MIN_COST + if attempt.justify { ratio.powi(3).abs() } else { 0.0 }
             } else {
                 // Normal line with cost of |ratio^3|.
                 ratio.powi(3).abs()