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Viewing changes to debian/patches/upstream-fix-luatex-math-radical

  • Committer: Package Import Robot
  • Author(s): Norbert Preining
  • Date: 2012-07-03 09:11:08 UTC
  • mfrom: (4.2.12 sid)
  • Revision ID: package-import@ubuntu.com-20120703091108-2c0a27yw1u6j3pfj
Tags: 0.70.1.20120524-3
http://bugs.debian.org/680015
* pick from upstream luatex-svn: fix rendering of radicals with
  old fonts (Closes: #680015)
* remove old conffile /etc/texmf/fmt.d/20luatex.cnf
  (add Pre-Depends: ${misc:Pre-Depends} for dpkg-maintscript-helper)
* fix man page warnings

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debian/patches/upstream-fix-luatex-math-radical
 
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pick from upstream svn:
 
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r4449 | khaled | 2012-07-02 20:15:46 +0200 (Mon, 02 Jul 2012) | 13 lines
 
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Changed paths:
 
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   M /trunk/source/texk/web2c/luatexdir/tex/mlist.w
 
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Fix regression introduced in r4361
 
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Radical rule thickness calculation was wrong for composite radicals with
 
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old fonts. When get_delim_box() was rewritten, a special correction for
 
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the radicals were lost. That block of code is now in make_radical()
 
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itself.
 
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A simple test:
 
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$$y=\sqrt{\displaystyle\int \over x}$$
 
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\bye
 
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Related:
 
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http://tex.stackexchange.com/q/61952/729
 
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---
 
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 source/texk/web2c/luatexdir/tex/mlist.w |   12 +++++++++++-
 
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 1 file changed, 11 insertions(+), 1 deletion(-)
 
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Index: luatex-0.70.1.20120524/source/texk/web2c/luatexdir/tex/mlist.w
 
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===================================================================
 
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--- luatex-0.70.1.20120524.orig/source/texk/web2c/luatexdir/tex/mlist.w 2012-05-20 23:25:51.000000000 +0900
 
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+++ luatex-0.70.1.20120524/source/texk/web2c/luatexdir/tex/mlist.w      2012-07-03 07:42:10.222842439 +0900
 
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@@ -1799,7 +1799,17 @@
 
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         theta = fraction_rule(cur_style);
 
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         y = var_delimiter(left_delimiter(q), cur_size,
 
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                           height(x) + depth(x) + clr + theta, NULL, cur_style);
 
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-        theta = height(y);
 
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+       /* If |y| is a composite then set |theta| to the height of its top
 
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+           character, else set it to the height of |y|. */
 
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+        if (list_ptr(y) != null
 
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+            && type(list_ptr(y)) == hlist_node
 
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+            && list_ptr(list_ptr(y)) != null
 
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+            && type(list_ptr(list_ptr(y))) == glyph_node) {     /* and it should be */
 
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+            theta = char_height(font(list_ptr(list_ptr(y))),
 
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+                           character(list_ptr(list_ptr(y))));
 
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+        } else {
 
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+            theta = height(y);
 
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+        }
 
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     } else {
 
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         y = var_delimiter(left_delimiter(q), cur_size,
 
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                           height(x) + depth(x) + clr + theta, NULL, cur_style);