X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FParagraphMetrics.cpp;h=f794914fe083b70a63f620e7ec94fe3a8dd4b6a8;hb=da640391fc82fab25708a074d54ee4dce1fe26e7;hp=801642e52576bfe9a78922797944d0d0f1f2200c;hpb=9b4a26a252b2da164fcd6aa84feed0a738b16c10;p=lyx.git

diff --git a/src/ParagraphMetrics.cpp b/src/ParagraphMetrics.cpp
index 801642e525..f794914fe0 100644
--- a/src/ParagraphMetrics.cpp
+++ b/src/ParagraphMetrics.cpp
@@ -103,9 +103,10 @@ size_t ParagraphMetrics::computeRowSignature(Row const & row,
 	}
 
 	Dimension const & d = row.dimension();
-	char_type const b[] = { row.sel_beg, row.sel_end, d.wid, d.asc, d.des};
-	// Each of the variable to process is 4 bytes: 4x5 = 20
-	crc.process_bytes(b, 20);
+	char_type const b[] = { row.sel_beg, row.sel_end, 
+		row.begin_margin_sel, row.end_margin_sel, d.wid, d.asc, d.des};
+	// Each of the variable to process is 4 bytes: 4x7 = 28
+	crc.process_bytes(b, 28);
 
 	return crc.checksum();
 }
@@ -219,6 +220,9 @@ int ParagraphMetrics::singleWidth(pos_type pos, Font const & font) const
 
 	char_type c = par_->getChar(pos);
 
+	if (c == '\t')
+		return 4 * theFontMetrics(font).width(' ');
+	
 	if (!isPrintable(c))
 		return theFontMetrics(font).width(c);