merged https://trac.osgeo.org/grass/changeset/32964

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@34591 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.sun2/r.sun.html

@@ -19,7 +19,7 @@ The rules are:
 </ul>
 
 The solar geometry of the model is based on the works of Krcho (1990), later
-improved by Jenco (1992). The equations describing Sun &#8211; Earth position as
+improved by Jenco (1992). The equations describing Sun -- Earth position as
 well as an interaction of the solar radiation with atmosphere were originally 
 based on the formulas suggested by Kitler and Mikler (1986). This component 
 was considerably updated by the results and suggestions of the working group
@@ -237,7 +237,7 @@ formula. Applied Optics, 28, 4735-4738. </p>
 Kittler, R., Mikler, J. (1986): Basis of the utilization of solar radiation 
 (in Slovak). VEDA, Bratislava, p. 150. </p>
 <p>
-Krcho, J. (1990). Morfometrick&aacute; analza a digit&aacute;lne modely georeli&eacute;fu
+Krcho, J. (1990). Morfometrická analza a digitálne modely georeliéfu
 (Morphometric analysis and digital models of georelief). VEDA,
 Bratislava (in Slovak). </p>
 <p>
@@ -248,7 +248,7 @@ Neteler, M., Mitasova, H. (2002): Open Source GIS: A GRASS GIS Approach, Kluwer
 Academic Publishers/Springer. </p>
 <p>
 Page, J. ed. (1986). Prediction of solar radiation on inclined surfaces. Solar
-energy R&amp;D in the European Community, series F &#8211; Solar radiation data,
+energy R&amp;D in the European Community, series F -- Solar radiation data,
 Dordrecht (D. Reidel), 3, 71, 81-83. </p>
 <p>
 Page, J., Albuisson, M., Wald, L. (2001). The European solar radiation atlas:
@@ -259,7 +259,7 @@ ESRA - European Solar radiation Atlas - with respect to the Heliosat method.
 Solar energy, 68, 33-48. </p>
 <p>
 Scharmer, K., Greif, J., eds., (2000). The European solar radiation atlas,
-Vol. 2: Database and exploitation software. Paris (Les Presses de l&#8217; &Eacute;cole
+Vol. 2: Database and exploitation software. Paris (Les Presses de l'École
 des Mines). </p>
 
 <p>Joint Research Centre: <a href="http://re.jrc.ec.europa.eu/pvgis/">GIS solar radiation database for Europe</a> and