add missing quotes to html tags attribute values (to render images in wxGUI man properly)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55528 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.cost/r.cost.html

@@ -78,8 +78,8 @@ also considered.
 <br>
 Knight's move example:
 <center>
-<img src=rcost_knightsmove.png border=1><br>
-<table border=0 width=590>
+<img src="rcost_knightsmove.png" border="1"><br>
+<table border="0" width="590">
 <tr><td><center>
 <i>Flat cost surface without (left pane) and with the knight's move (right pane).
 The default is to grow the cost outwards in 8 directions.

raster/r.gwflow/r.gwflow.html

@@ -7,8 +7,8 @@ raster maps. The unit in the location must be meters.
 <p>This module is sensitive to mask settings. All cells which are outside the mask
 are ignored and handled as no flow boundaries.
 <p><center>
-<img src=r_gwflow_concept.png border=0><br>
-<table border=0 width=700>
+<img src="r_gwflow_concept.png" border="0"><br>
+<table border="0" width="700">
 <tr><td><center>
 <i>Workflow of r.gwflow</i>
 </center></td></tr>

raster/r.to.rast3/r.to.rast3.html

@@ -5,8 +5,8 @@ If the 2d and 3d region settings are different,
 the 2d resolution will be adjust to the 3d resolution.
 
 <center>
-<img src=r.to.rast3.png border=0><br>
-<table border=0 width=700>
+<img src="r.to.rast3.png" border="0"><br>
+<table border="0" width="700">
 <tr><td><center>
 <i>How r.to.rast3 works</i>
 </center></td></tr>

raster/r.to.rast3elev/r.to.rast3elev.html

@@ -5,8 +5,8 @@ If the 2d and 3d region settings are different,
 the 2d resolution will be adjust to the 3d resolution.
 
 <center>
-<img src=r.to.rast3elev.png border=0><br>
-<table border=0 width=700>
+<img src="r.to.rast3elev.png" border="0"><br>
+<table border="0" width="700">
 <tr><td><center>
 <i>How r.to.rast3elev works</i>
 </center></td></tr>

raster3d/r3.cross.rast/r3.cross.rast.html

@@ -7,8 +7,8 @@ so, the 3D voxel value for this position is transferred to the related
 cross section output map cell, otherwise the NULL value is set.
 
 <center>
-<img src=r3.cross.rast.png border=0><br>
-<table border=0 width=700>
+<img src="r3.cross.rast.png" border="0"><br>
+<table border="0" width="700">
 <tr><td><center>
 <i>How r3.cross.rast works</i>
 </center></td></tr>

raster3d/r3.to.rast/r3.to.rast.html

@@ -7,8 +7,8 @@ The user can force <em>r3.to.rast</em> to use the 2D resolution of the input
 3D raster map for the output maps, independently from the current region settings.
 
 <center>
-<img src=r3.to.rast.png border=0><br>
-<table border=0 width=700>
+<img src="r3.to.rast.png" border="0"><br>
+<table border="0" width="700">
 <tr><td><center>
 <em>How r3.to.rast works</em>
 </center></td></tr>

vector/v.delaunay/v.delaunay.html

@@ -6,8 +6,8 @@ to create a Delaunay triangulation vector map (<b>output</b>).
 <br>
 Delaunay triangulation and Voronoi diagram example:
 <center>
-<img src=v_voronoi_delaunay.png border=1><br>  <!-- installed by v.voronoi -->
-<table border=0 width=590>
+<img src="v_voronoi_delaunay.png" border="1"><br>  <!-- installed by v.voronoi -->
+<table border="0" width="590">
 <tr><td><center>
 <i>Delaunay Triangulation (left pane), Voronoi diagram (center pane),
 and both (right pane)</i>

vector/v.hull/v.hull.html

@@ -11,8 +11,8 @@ unless the user specifies the <b>-f</b> flag. The 3D hull will be
 composed of triangular faces.
 
 <center>
-<img src=v_hull.png border=1><br>
-<table border=0 width=590>
+<img src="v_hull.png" border="1"><br>
+<table border="0" width="590">
 <tr><td><center>
 Fig: Convex hull polygon created with <em>v.hull</em>
 </center></td></tr>

vector/v.voronoi/v.voronoi.html

@@ -8,8 +8,8 @@ a Voronoi diagram (Thiessen polygons) in a new vector map (<b>output</b>).
 <br>
 Voronoi diagram and Delaunay triangulation example:
 <center>
-<img src=v_voronoi_delaunay.png border=1><br>
-<table border=0 width=590>
+<img src="v_voronoi_delaunay.png" border="1"><br>
+<table border="0" width="590">
 <tr><td><center>
 <i>Delaunay Triangulation (left pane), Voronoi diagram (center pane),
 and both (right pane)</i>