[goffice] Add signs to go_unichar_issign

[Andreas J. Guelzow <guelzow src gnome org>]

commit 8d0edd3c51b97240aec597ebadf679e8bd1814b0
Author: Andreas J Guelzow <aguelzow pyrshep ca>
Date:   Sun Dec 25 14:12:37 2011 -0700

    Add signs to go_unichar_issign
    
    2011-12-25  Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* goffice/utils/go-glib-extras.c (go_unichar_issign): add signs

 ChangeLog                      |    4 ++++
 goffice/utils/go-glib-extras.c |    6 ++++++
 2 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 4ac9668..26f78c9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-12-25  Andreas J. Guelzow <aguelzow pyrshep ca>
+
+	* goffice/utils/go-glib-extras.c (go_unichar_issign): add signs
+
 2011-12-25  Morten Welinder  <terra gnome org>
 
 	* goffice/utils/go-glib-extras.c (go_unichar_issign): New
diff --git a/goffice/utils/go-glib-extras.c b/goffice/utils/go-glib-extras.c
index c1c8c75..41aa989 100644
--- a/goffice/utils/go-glib-extras.c
+++ b/goffice/utils/go-glib-extras.c
@@ -313,13 +313,19 @@ go_unichar_issign (gunichar uc)
 	case 0x207a: /* Superscript plus */
 	case 0x208a: /* Subscript plus */
 	case 0x2795: /* Unicode heavy plus */
+	case 0xfb29: /* Hebrew plus */
+	case 0xfe62: /* Unicode small plus */
 	case 0xff0b: /* Variant of '+' for CJK */
 		return +1;
 	case '-':
+	/* case 0x2052: /\* Commercial minus *\/ */
 	case 0x207b: /* Superscript minus */
 	case 0x208b: /* Subscript minus */
 	case 0x2212: /* Unicode minus */
 	case 0x2796: /* Unicode heavy minus */
+	case 0x8ca0: /* Traditional Chinese minus */
+	case 0x8d1f: /* Simplified Chinese minus */
+	case 0xfe63: /* Unicode small minus */
 	case 0xff0d: /* Variant of '-' for CJK */
 		return -1;
 	default: