interword spaces on overfull lines can be smaller than space-space_sh…

…rink, so increase tolerance by 1pt git-svn-id: svn://tug.org/texlive/trunk/Build/source@70987 c570f23f-e606-0410-a88d-b1316a301751
TeX-Live · Apr 18, 2024 · 0947411 · 0947411
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diff --git a/texk/web2c/pdftexdir/ChangeLog b/texk/web2c/pdftexdir/ChangeLog
@@ -1,3 +1,10 @@
+2024-04-18  Thanh Han The  <hanthethanh@gmail.com>
+
+	* pdftex.web (pdf_begin_string): increase tolerance for finding
+	interword spaces by 1pt, since overfull lines can have smaller
+	spaces than space-space_shrink. Report from Ulrike,
+	https://tug.org/pipermail/pdftex/2024-April/009388.html
+
 2024-03-10  Karl Berry  <karl@tug.org>
 
 	* TL'24 release.

diff --git a/texk/web2c/pdftexdir/pdftex.web b/texk/web2c/pdftexdir/pdftex.web
@@ -16240,7 +16240,7 @@ begin
     if gen_faked_interword_space
         and pdf_doing_string
         and (not must_end_string)
-        and (s_out > space(f) - space_shrink(f))
+        and (s_out > space(f) - space_shrink(f) - 65536)
         and (v = 0)
     then begin
         must_insert_space := true;