=== modified file 'src/extension/internal/latex-text-renderer.cpp'
--- src/extension/internal/latex-text-renderer.cpp      2015-10-29 22:24:26 +0000
+++ src/extension/internal/latex-text-renderer.cpp      2016-05-24 16:11:21 +0000
@@ -328,36 +328,83 @@
     os << "\\makebox(0,0)" << alignment << "{";
     os << "\\smash{";  // smash the text, to be able to put the makebox coordinates at the baseline

-        // Walk through all spans in the text object.
+
+       bool is_bold = false, is_italic = false, is_oblique = false, is_sub = false, is_super = false;;
+       bool last_is_bold = false, last_is_italic = false, last_is_oblique = false, last_is_sub = false, last_is_super = false;
+
+               // Walk through all spans in the text object.
         // Write span strings to LaTeX, associated with font weight and style.
         Inkscape::Text::Layout const &layout = *(te_get_layout (textobj));
         for (Inkscape::Text::Layout::iterator li = layout.begin(), le = layout.end();
              li != le; li.nextStartOfSpan())
         {
-            SPStyle const &spanstyle = *(sp_te_style_at_position (textobj, li));
-            bool is_bold = false, is_italic = false, is_oblique = false;
-
-            if (spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_500 ||
+
+           SPStyle const &spanstyle = *(sp_te_style_at_position (textobj, li));
+           is_bold = false, is_italic = false, is_oblique = false, is_sub = false, is_super = false;
+
+            if ( (spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_500 ||
                 spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_600 ||
                 spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_700 ||
                 spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_800 ||
                 spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_900 ||
                 spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_BOLD ||
-                spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_BOLDER)
-            {
-                is_bold = true;
-                os << "\\textbf{";
-            }
-            if (spanstyle.font_style.computed == SP_CSS_FONT_STYLE_ITALIC)
-            {
-                is_italic = true;
-                os << "\\textit{";
-            }
-            if (spanstyle.font_style.computed == SP_CSS_FONT_STYLE_OBLIQUE)
+                spanstyle.font_weight.computed == SP_CSS_FONT_WEIGHT_BOLDER) )
+            {
+                               is_bold =true;
+            }
+            if ( spanstyle.font_style.computed == SP_CSS_FONT_STYLE_ITALIC )
+            {
+                               is_italic = true;
+                       }
+            if (spanstyle.font_style.computed == SP_CSS_FONT_STYLE_OBLIQUE )
             {
                 is_oblique = true;
-                os << "\\textsl{";  // this is an accurate choice if the LaTeX chosen font matches the font in Inkscape. Gives bad results when it is not so...
             }
+                       /*
+                               spanstyle.baseline_shift.computed  returns different values which i could not fully understand
+                               but they are <0 when subscripted  and >0 when superscripted would be my choice.
+                       */
+                       if (spanstyle.baseline_shift.computed  < 0 )
+                       {
+                               is_sub = true;
+                       }
+                       if (spanstyle.baseline_shift.computed > 0)
+                       {
+                               is_super = true;
+                       }
+
+                       // close previous environment
+                       if (!is_oblique && last_is_oblique) { os << "}"; last_is_oblique = false; }// oblique end
+                       if (!is_italic && last_is_italic) { os << "}"; last_is_italic = false; } // italic end
+                       if (!is_bold && last_is_bold) { os << "}"; last_is_bold = false; } // bold end
+                       if (!is_sub && last_is_sub) { os << "}"; last_is_sub = false; } // subscript end
+                       if (!is_super && last_is_super) { os << "}"; last_is_super = false; } // superscript end
+
+                       if ( is_bold && !last_is_bold)
+                       {
+                               os << "\\textbf{";
+                               last_is_bold = true;
+                       }
+                       if (is_italic && !last_is_italic)
+                       {
+                               os << "\\textit{";
+                               last_is_italic = true;
+                       }
+                       if (is_oblique && !last_is_oblique)
+                       {
+                               os << "\\textsl{";  // this is an accurate choice if the LaTeX chosen font matches the font in Inkscape. Gives bad results when it is not so...
+                               last_is_oblique = true;
+                       }
+                       if (is_sub && !last_is_sub )
+                       {
+                               os << "\\textsubscript{";  // Latex subscript and Open Bracket
+                               last_is_sub = true;
+                       }
+                       if (is_super && !last_is_super)
+                       {
+                               os << "\\textsuperscript{";  // Latex superscript and Open Bracket
+                               last_is_super = true;
+                       }

             Inkscape::Text::Layout::iterator ln = li;
             ln.nextStartOfSpan();
@@ -372,19 +419,22 @@
             os << spanstr_new;
             g_strfreev(splitstr);
             g_free(spanstr_new);
-
-            if (is_oblique) { os << "}"; } // oblique end
-            if (is_italic) { os << "}"; } // italic end
-            if (is_bold) { os << "}"; } // bold end
         }

+               // close the last environment
+        if (is_oblique ) { os << "}"; } // oblique end
+               if (is_italic) { os << "}"; } // italic end
+           if (is_bold) { os << "}"; } // bold end
+               if (is_sub) { os << "}"; } // subscript end
+               if (is_super) { os << "}"; } // superscript end
+
+
     os << "}"; // smash end
     if (has_rotation) {
         os << "}"; // rotatebox end
     }
     os << "}"; //makebox end
     os << "}%\n"; // put end
-
     fprintf(_stream, "%s", os.str().c_str());
 }