diff --git a/doc/tgi.sgml b/doc/tgi.sgml
index d9253cf09..722583893 100644
--- a/doc/tgi.sgml
+++ b/doc/tgi.sgml
@@ -15,7 +15,7 @@ Include the tgi.h header file to get the necessary definitions.
 
 <!-- Begin the document -->
 
-<sect1>tgi_arc<label id="tgi_arc"><p>
+<sect>tgi_arc<label id="tgi_arc"><p>
 
 <quote>
 <descrip>
@@ -49,7 +49,7 @@ tgi_arc (50, 50, 40, 20, 0, 180);
 </quote>
 
 
-<sect1>tgi_bar<label id="tgi_bar"><p>
+<sect>tgi_bar<label id="tgi_bar"><p>
 
 <quote>
 <descrip>
@@ -73,7 +73,7 @@ tgi_bar(10, 10, 100, 60);
 </quote>
 
 
-<sect1>tgi_circle<label id="tgi_circle"><p>
+<sect>tgi_circle<label id="tgi_circle"><p>
 
 <quote>
 <descrip>
@@ -100,7 +100,7 @@ tgi_circle(50, 40, 40);
 </quote>
 
 
-<sect1>tgi_clear<label id="tgi_clear"><p>
+<sect>tgi_clear<label id="tgi_clear"><p>
 
 <quote>
 <descrip>
@@ -115,7 +115,7 @@ tgi_circle(50, 40, 40);
 </quote>
 
 
-<sect1>tgi_done<label id="tgi_done"><p>
+<sect>tgi_done<label id="tgi_done"><p>
 
 <quote>
 <descrip>
@@ -132,7 +132,7 @@ Will NOT uninstall or unload the driver!
 </quote>
 
 
-<sect1>tgi_ellipse<label id="tgi_ellipse"><p>
+<sect>tgi_ellipse<label id="tgi_ellipse"><p>
 
 <quote>
 <descrip>
@@ -160,7 +160,7 @@ tgi_ellipse (50, 40, 40, 20);
 </quote>
 
 
-<sect1>tgi_free_vectorfont<label id="tgi_free_vectorfont"><p>
+<sect>tgi_free_vectorfont<label id="tgi_free_vectorfont"><p>
 
 <quote>
 <descrip>
@@ -181,7 +181,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getaspectratio<label id="tgi_getaspectratio"><p>
+<sect>tgi_getaspectratio<label id="tgi_getaspectratio"><p>
 
 <quote> <descrip> <tag/Function/Return the pixel aspect ratio.
 <tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
@@ -211,7 +211,7 @@ original aspect ratio.
 </quote>
 
 
-<sect1>tgi_getcolor<label id="tgi_getcolor"><p>
+<sect>tgi_getcolor<label id="tgi_getcolor"><p>
 
 <quote>
 <descrip>
@@ -233,7 +233,7 @@ color = tgi_getcolor();
 </quote>
 
 
-<sect1>tgi_getcolorcount<label id="tgi_getcolorcount"><p>
+<sect>tgi_getcolorcount<label id="tgi_getcolorcount"><p>
 
 <quote>
 <descrip>
@@ -253,7 +253,7 @@ if (tgi_getcolorcount() == 2) {
 </quote>
 
 
-<sect1>tgi_getdefpalette<label id="tgi_getdefpalette"><p>
+<sect>tgi_getdefpalette<label id="tgi_getdefpalette"><p>
 
 <quote>
 <descrip>
@@ -270,7 +270,7 @@ palette to work correctly.
 </quote>
 
 
-<sect1>tgi_geterror<label id="tgi_geterror"><p>
+<sect>tgi_geterror<label id="tgi_geterror"><p>
 
 <quote>
 <descrip>
@@ -287,7 +287,7 @@ This will also clear the error.
 </quote>
 
 
-<sect1>tgi_geterrormsg<label id="tgi_geterrormsg"><p>
+<sect>tgi_geterrormsg<label id="tgi_geterrormsg"><p>
 
 <quote>
 <descrip>
@@ -306,7 +306,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getmaxcolor<label id="tgi_getmaxcolor"><p>
+<sect>tgi_getmaxcolor<label id="tgi_getmaxcolor"><p>
 
 <quote>
 <descrip>
@@ -321,7 +321,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getmaxx<label id="tgi_getmaxx"><p>
+<sect>tgi_getmaxx<label id="tgi_getmaxx"><p>
 
 <quote>
 <descrip>
@@ -336,7 +336,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getmaxy<label id="tgi_getmaxy"><p>
+<sect>tgi_getmaxy<label id="tgi_getmaxy"><p>
 
 <quote>
 <descrip>
@@ -351,7 +351,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getpagecount<label id="tgi_getpagecount"><p>
+<sect>tgi_getpagecount<label id="tgi_getpagecount"><p>
 
 <quote>
 <descrip>
@@ -368,7 +368,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getpalette<label id="tgi_getpalette"><p>
+<sect>tgi_getpalette<label id="tgi_getpalette"><p>
 
 <quote>
 <descrip>
@@ -383,7 +383,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getpixel<label id="tgi_getpixel"><p>
+<sect>tgi_getpixel<label id="tgi_getpixel"><p>
 
 <quote>
 <descrip>
@@ -402,7 +402,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_getxres<label id="tgi_getxres"><p>
+<sect>tgi_getxres<label id="tgi_getxres"><p>
 
 <quote>
 <descrip>
@@ -418,7 +418,7 @@ This is same as tgi_maxx()+1.
 </quote>
 
 
-<sect1>tgi_getyres<label id="tgi_getyres"><p>
+<sect>tgi_getyres<label id="tgi_getyres"><p>
 
 <quote>
 <descrip>
@@ -434,7 +434,7 @@ This is same as tgi_maxy()+1.
 </quote>
 
 
-<sect1>tgi_gotoxy<label id="tgi_gotoxy"><p>
+<sect>tgi_gotoxy<label id="tgi_gotoxy"><p>
 
 <quote>
 <descrip>
@@ -453,7 +453,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_init<label id="tgi_init"><p>
+<sect>tgi_init<label id="tgi_init"><p>
 
 <quote>
 <descrip>
@@ -478,7 +478,7 @@ tgi_init(); //Set up the default palette and clear the screen.
 </quote>
 
 
-<sect1>tgi_install<label id="tgi_install"><p>
+<sect>tgi_install<label id="tgi_install"><p>
 
 <quote>
 <descrip>
@@ -505,7 +505,7 @@ tgi_init(); //Set up the default palette and clear the screen.
 </quote>
 
 
-<sect1>tgi_install_vectorfont<label id="tgi_install_vectorfont"><p>
+<sect>tgi_install_vectorfont<label id="tgi_install_vectorfont"><p>
 
 <quote>
 <descrip>
@@ -529,7 +529,7 @@ used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_ioctl<label id="tgi_ioctl"><p>
+<sect>tgi_ioctl<label id="tgi_ioctl"><p>
 
 <quote>
 <descrip>
@@ -564,7 +564,7 @@ if (!tgi_busy()) {
 </quote>
 
 
-<sect1>tgi_line<label id="tgi_line"><p>
+<sect>tgi_line<label id="tgi_line"><p>
 
 <quote>
 <descrip>
@@ -585,7 +585,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_lineto<label id="tgi_lineto"><p>
+<sect>tgi_lineto<label id="tgi_lineto"><p>
 
 <quote>
 <descrip>
@@ -606,7 +606,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_load_driver<label id="tgi_load_driver"><p>
+<sect>tgi_load_driver<label id="tgi_load_driver"><p>
 
 <quote>
 <descrip>
@@ -627,7 +627,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_load_vectorfont<label id="tgi_load_vectorfont"><p>
+<sect>tgi_load_vectorfont<label id="tgi_load_vectorfont"><p>
 
 <quote>
 <descrip>
@@ -651,7 +651,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_outtext<label id="tgi_outtext"><p>
+<sect>tgi_outtext<label id="tgi_outtext"><p>
 
 <quote>
 <descrip>
@@ -672,7 +672,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_outtextxy<label id="tgi_outtextxy"><p>
+<sect>tgi_outtextxy<label id="tgi_outtextxy"><p>
 
 <quote>
 <descrip>
@@ -693,7 +693,7 @@ be used in presence of a prototype.
 </quote>
 
 
-<sect1>tgi_pieslice<label id="tgi_pieslice"><p>
+<sect>tgi_pieslice<label id="tgi_pieslice"><p>
 
 <quote>
 <descrip>
@@ -727,7 +727,7 @@ tgi_pieslice (50, 50, 40, 20, 0, 180);
 </quote>
 
 
-<sect1>tgi_setaspectratio<label id="tgi_setaspectratio"><p>
+<sect>tgi_setaspectratio<label id="tgi_setaspectratio"><p>
 
 <quote> <descrip> <tag/Function/Set the pixel aspect ratio.
 <tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
@@ -759,7 +759,7 @@ only in the presence of a prototype.
 </quote>
 
 
-<sect1>tgi_setcolor<label id="tgi_setcolor"><p>
+<sect>tgi_setcolor<label id="tgi_setcolor"><p>
 
 <quote>
 <descrip>
@@ -782,7 +782,7 @@ tgi_bar(10,10,20,20);
 </descrip>
 </quote>
 
-<sect1>tgi_setdrawpage<label id="tgi_setdrawpage"><p>
+<sect>tgi_setdrawpage<label id="tgi_setdrawpage"><p>
 
 <quote>
 <descrip>
@@ -811,7 +811,7 @@ tgi_setviewpage(0); // Show page 0
 </descrip>
 </quote>
 
-<sect1>tgi_setpalette<label id="tgi_setpalette"><p>
+<sect>tgi_setpalette<label id="tgi_setpalette"><p>
 
 <quote>
 <descrip>
@@ -831,7 +831,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_setpixel<label id="tgi_setpixel"><p>
+<sect>tgi_setpixel<label id="tgi_setpixel"><p>
 
 <quote>
 <descrip>
@@ -849,7 +849,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_setviewpage<label id="tgi_setviewpage"><p>
+<sect>tgi_setviewpage<label id="tgi_setviewpage"><p>
 
 <quote>
 <descrip>
@@ -878,7 +878,7 @@ tgi_setviewpage(0); // Show page 0
 </descrip>
 </quote>
 
-<sect1>tgi_gettextheight<label id="tgi_gettextheight"><p>
+<sect>tgi_gettextheight<label id="tgi_gettextheight"><p>
 
 <quote>
 <descrip>
@@ -898,7 +898,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_settextscale<label id="tgi_settextscale"><p>
+<sect>tgi_settextscale<label id="tgi_settextscale"><p>
 
 <quote>
 <descrip>
@@ -919,7 +919,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_settextstyle<label id="tgi_settextstyle"><p>
+<sect>tgi_settextstyle<label id="tgi_settextstyle"><p>
 
 <quote>
 <descrip>
@@ -938,7 +938,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_gettextwidth<label id="tgi_gettextwidth"><p>
+<sect>tgi_gettextwidth<label id="tgi_gettextwidth"><p>
 
 <quote>
 <descrip>
@@ -956,7 +956,7 @@ be used in presence of a prototype.
 </descrip>
 </quote>
 
-<sect1>tgi_uninstall<label id="tgi_uninstall"><p>
+<sect>tgi_uninstall<label id="tgi_uninstall"><p>
 
 <quote>
 <descrip>
@@ -972,7 +972,7 @@ Will call tgi_done if necessary.
 </descrip>
 </quote>
 
-<sect1>tgi_unload<label id="tgi_unload"><p>
+<sect>tgi_unload<label id="tgi_unload"><p>
 
 <quote>
 <descrip>