[goffice] Fixed initial chart equation style.

[Jean BrÃfort <jbrefort src gnome org>]

commit 5a858511ab84fb4d7c038759c9a50d3643f23ad6
Author: Jean Brefort <jean brefort normalesup org>
Date:   Sun Sep 9 09:16:14 2012 +0200

    Fixed initial chart equation style.

 ChangeLog                    |    6 ++++++
 goffice/graph/gog-equation.c |    4 +---
 goffice/utils/go-style.c     |    2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 306de22..3bbf820 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-09-09  Jean Brefort  <jean brefort normalesup org>
+
+	* goffice/graph/gog-equation.c (gog_equation_update): fix warning,
+	(gog_equation_init): intialize the lasem document style.
+	* goffice/utils/go-style.c (go_style_persist_prep_sax): cosmetic.
+
 2012-09-06  Morten Welinder <terra gnome org>
 
 	* configure.in: Post-release bump.
diff --git a/goffice/graph/gog-equation.c b/goffice/graph/gog-equation.c
index 51493fa..9cc7ec2 100644
--- a/goffice/graph/gog-equation.c
+++ b/goffice/graph/gog-equation.c
@@ -159,7 +159,6 @@ gog_equation_update (GogObject *obj)
 	unsigned int i;
 	int n_unclosed_braces = 0;
 	int j;
-	gboolean is_blank = TRUE;
 	gboolean add_dash = FALSE;
 
 	if (equation->itex != NULL && !g_utf8_validate (equation->itex, -1, NULL)) {
@@ -175,8 +174,6 @@ gog_equation_update (GogObject *obj)
 			     i < size_utf8;
 			     i++, itex_iter = g_utf8_next_char (itex_iter)) {
 				if (*itex_iter != ' ') {
-					is_blank = FALSE;
-
 					if (*itex_iter == '{' && (prev_char == NULL || *prev_char != '\\'))
 						n_unclosed_braces++;
 					else if (*itex_iter == '}' && (prev_char != NULL || *prev_char != '\\'))
@@ -332,6 +329,7 @@ gog_equation_init (GogEquation *equation)
 	lsm_dom_node_append_child (equation->math_element, equation->style_element);
 	lsm_dom_node_append_child (equation->style_element, equation->itex_element);
 	lsm_dom_node_append_child (equation->itex_element, equation->itex_string);
+	_update_equation_style (equation, go_styled_object_get_style (GO_STYLED_OBJECT (equation)));
 }
 
 GSF_CLASS (GogEquation, gog_equation,
diff --git a/goffice/utils/go-style.c b/goffice/utils/go-style.c
index 438c570..7902494 100644
--- a/goffice/utils/go-style.c
+++ b/goffice/utils/go-style.c
@@ -1697,7 +1697,7 @@ go_style_persist_prep_sax (GOPersist *gp, GsfXMLIn *xin, xmlChar const **attrs)
 {
 	static GsfXMLInNode const dtd[] = {
 		GSF_XML_IN_NODE 	(STYLE, STYLE,
-					 -1, "GogObject",
+					 -1, "Style",
 					 FALSE, NULL, NULL),
 		GSF_XML_IN_NODE_FULL 	(STYLE, STYLE_LINE,
 					 -1, "line",