- tex2lyx/text.cpp: a fix for subfloat support

- tex2lyx: some testfile tweaks

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40035 a592a061-630c-0410-9148-cb99ea01b6c8

src/tex2lyx/test/test-structure.tex

@@ -1,6 +1,6 @@
 %% LyX trick_preamble_code_into_believing_that_this_was_created_by_lyx created this file.  For more info, see http://www.lyx.org/.
 %% Do not edit unless you really know what you are doing.
-\documentclass[legalpaper,french,german,english]{article}
+\documentclass[legalpaper,french,german,english,dummyoption]{article}
 \usepackage[latin9]{inputenc}
 \usepackage{color}
 \usepackage{rotfloat}
@@ -29,10 +29,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
 \newenvironment{foo}{==[}{]==}
 
-% LyX will also recognize this command:
-% \@ifundefined{date}{}{\date{}}
-% and also this:
-% \date{}
+\date{}
 
 \@ifundefined{showcaptionsetup}{}{%
  \PassOptionsToPackage{caption=false}{subfig}}
@@ -49,6 +46,7 @@
 
 \title{Title}
 
+% this should be recognized as empty date:
 \date{}
 
 \maketitle

src/tex2lyx/text.cpp

@@ -1084,6 +1084,8 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 		// we must make sure that the next item gets a \begin_layout.
 		parent_context.new_paragraph(os);
 		p.skip_spaces();
+		// the float is parsed thus delete the type
+		float_type = "";
 	}
 
 	else if (unstarred_name == "sidewaysfigure"