Fix bug #7634. Make sure we clear the tag deque if we are keeping

empty paragraphs.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@39153 a592a061-630c-0410-9148-cb99ea01b6c8

src/Paragraph.cpp

@@ -2734,7 +2734,7 @@ docstring Paragraph::simpleLyXHTMLOnePar(Buffer const & buf,
 
 	Layout const & style = *d->layout_;
 
-	xs.startParagraph();
+	xs.startParagraph(allowEmpty());
 
 	if (!runparams.for_toc && runparams.html_make_pars) {
 		// generate a magic label for this paragraph

src/output_xhtml.cpp

@@ -246,9 +246,11 @@ bool XHTMLStream::closeFontTags()
 }
 
 
-void XHTMLStream::startParagraph()
+void XHTMLStream::startParagraph(bool keep_empty)
 {
 	pending_tags_.push_back(html::StartTag(parsep_tag));
+	if (keep_empty)
+		clearTagDeque();
 }
 
 

src/output_xhtml.h

@@ -103,7 +103,7 @@ public:
 	bool closeFontTags();
 	/// call at start of paragraph. sets a mark so we know what tags
 	/// to close at the end. 
-	void startParagraph();
+	void startParagraph(bool keep_empty);
 	/// call at end of paragraph to clear that mark. note that this
 	/// will also close any tags still open. 
 	void endParagraph();

status.20x

@@ -101,6 +101,8 @@ What's new
 
 - Fixed XHTML output for tables that use multirow.
 
+- Fix problem with XHTML output of blank paragraph (bug 7634).
+
 - Fixed export to plaintext of, as well as searching within,
   a document containing aligned and other multi-cell environments
   (bug 7549).