minor cleanup of v.external's manual page

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@38373 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.external/v.external.html

@@ -5,64 +5,64 @@
 OGR (Simple Features Library) is part of the 
 <a href="http://www.gdal.org">GDAL</a> library, so you need to
 install GDAL to use <em>v.external</em> and external OGR layers.
-<P>
 
 <h3>Supported OGR Vector Formats</h3>
 
-<a href="http://www.gdal.org/ogr/drv_shapefile.html">ESRI
-Shapefile</a><br>
-<a href="http://www.gdal.org/ogr/drv_mitab.html">Mapinfo File</a>
+<ul>
+  <li><a href="http://www.gdal.org/ogr/drv_shapefile.html">ESRI
+      Shapefile</a>
+  <li><a href="http://www.gdal.org/ogr/drv_mitab.html">Mapinfo File</a>
+</ul>
 
-<p>
-Further available drivers such as UK .NTF, SDTS, TIGER, IHO S-57 (ENC),
-DGN, GML, AVCBin, REC, Memory, OGDI, and PostgreSQL depend on the local
-installation (OGR library), for details see
+Further available drivers such as UK .NTF, SDTS, TIGER, IHO S-57
+(ENC), DGN, GML, AVCBin, REC, Memory, OGDI, and PostgreSQL depend on
+the local installation (OGR library), for details see
 <a href="http://www.gdal.org/ogr/ogr_formats.html">OGR web site</a>.
 
 <h2>EXAMPLES</h2>
 
-<B>SHAPE files</B><BR>
+<b>SHAPE files</b>
+
 <div class="code"><pre>
 v.external dsn=/home/user/shape_data layer=test_shape output=grass_map 
 </pre></div>
 
-<P>
-<B>MapInfo files</B><BR>
+<b>MapInfo files</b>
+
 <div class="code"><pre>
 v.external dsn=./ layer=mapinfo_test output=grass_map
 </pre></div>
-<P>
-<B>SDTS files</B> (you have to select the CATD file)<BR>
+
+<b>SDTS files</b> (you have to select the CATD file)
+
 <div class="code"><pre>
 v.external dsn=CITXCATD.DDF output=cities
 </pre></div>
 
-<P>
-<B>TIGER files</B><BR>
+<b>TIGER files</b>
+
 <div class="code"><pre>
 v.external dsn=input/2000/56015/ layer=CompleteChain,PIP output=t56015_all
 </pre></div>
 
-<P>
-<B>PostGIS maps (area example)</B><BR>
+<b>PostGIS layers</b> (area example)
+
 <div class="code"><pre>
 v.external dsn="PG:host=localhost user=postgres dbname=postgis" layer=polymap \
 output=polygons
 </pre></div>
 
-<P>
+<h2>NOTES</h2>
 
-<H2>NOTES</H2>
+The simple feature data model used by OGR is very different from the
+topological format used by GRASS. Instead of true topology, so called
+'pseudo topology' is created for data linked by v.external. User
+should learn the difference between those to formats, because some
+modules working correctly with GRASS native data, can produce wrong
+results with input layers created by <em>v.external</em>.
 
-The simple feature data model used by OGR is very different from 
-the topological format used by GRASS. Instead of true topology, 
-so called 'pseudo topology' is created for data linked by v.external.
-User should learn the difference between those to formats, because 
-some modules working correctly with GRASS native data, 
-can produce wrong results with input layers created by <em>v.external</em>. 
 <p>
-
-See <a HREF="v.db.connect.html">v.db.connect</a> for an example of
+See <em><a href="v.db.connect.html">v.db.connect</a></em> for an example of
 maintaining attributes in external DBMS in also writeable mode.
 
 <H2>REFERENCES</H2>
@@ -75,14 +75,17 @@ documentation
 
 <h2>SEE ALSO</h2>
 
-<em><a HREF="v.clean.html">v.clean</a></em>,
-<em><a HREF="v.db.connect.html">v.db.connect</a></em>,
-<em><a HREF="v.in.db.html">v.in.db</a></em>,
-<em><a HREF="v.in.ogr.html">v.in.ogr</a></em>,
-<em><a HREF="v.out.ogr.html">v.out.ogr</a></em>
+<em>
+  <a href="v.clean.html">v.clean</a>,
+  <a href="v.db.connect.html">v.db.connect</a>,
+  <a href="v.in.db.html">v.in.db</a>,
+  <a href="v.in.ogr.html">v.in.ogr</a>,
+  <a href="v.out.ogr.html">v.out.ogr</a>
+</em>
 
 <h2>AUTHOR</h2>
 
 Radim Blazek, ITC-Irst, Trento, Italy
 
-<p><i>Last changed: $Date$</i>
+<p>
+<i>Last changed: $Date$</i>