From: Enrico Forestieri <forenr@lyx.org>
Date: Wed, 10 Mar 2010 20:10:30 +0000 (+0000)
Subject: Fix bug #6581: Empty base of a script inset should not be shown as an empty brace... 
X-Git-Tag: 2.0.0~3835
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=ea4d17acb3928645bc841832974d3c303a653d7c;p=features.git

Fix bug #6581: Empty base of a script inset should not be shown as an empty brace inset on screen


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33705 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index 77ba3bf485..f80dba7303 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -935,6 +935,14 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 			// in an unreliable way. See this thread
 			// http://www.mail-archive.com/lyx-devel%40lists.lyx.org/msg104917.html
 			// for more details.
+			// However, we remove empty braces because they look
+			// ugly on screen and we are sure that they were added
+			// by the write() method (and will be re-added on save).
+			if (p->nuc().size() == 1 &&
+			    p->nuc().back()->asBraceInset() &&
+			    p->nuc().back()->asBraceInset()->cell(0).empty())
+				p->nuc().erase(0);
+
 			parse(p->cell(p->idxOfScript(up)), FLAG_ITEM, mode);
 			if (limits) {
 				p->limits(limits);