Index: /issm/trunk-jpl/src/m/mesh/planet/gmsh/gmshplanet.py
===================================================================
--- /issm/trunk-jpl/src/m/mesh/planet/gmsh/gmshplanet.py	(revision 24249)
+++ /issm/trunk-jpl/src/m/mesh/planet/gmsh/gmshplanet.py	(revision 24250)
@@ -8,7 +8,7 @@
 
 def gmshplanet(* varargin):
-    #GMSHPLANET - mesh generation for a sphere. Very specific code for gmsh. From demo / sphere.geo
+    #GMSHPLANET - mesh generation for a sphere. Very specific code for gmsh. From demo/sphere.geo
     #
-    #   Available options (for more details see ISSM website http: / / issm.jpl.nasa.gov / ):
+    #   Available options (for more details see ISSM website http://issm.jpl.nasa.gov/):
     #
     # - radius:             radius of the planet in km
@@ -49,10 +49,10 @@
     fid.write('Point(3) = {0, radius, 0.0, resolution};\n')
     fid.write('Circle(1) = {2, 1, 3};\n')
-    fid.write('Point(4) = { - radius, 0, 0.0, resolution};\n')
-    fid.write('Point(5) = {0, - radius, 0.0, resolution};\n')
+    fid.write('Point(4) = { -radius, 0, 0.0, resolution};\n')
+    fid.write('Point(5) = {0, -radius, 0.0, resolution};\n')
     fid.write('Circle(2) = {3, 1, 4};\n')
     fid.write('Circle(3) = {4, 1, 5};\n')
     fid.write('Circle(4) = {5, 1, 2};\n')
-    fid.write('Point(6) = {0, 0, - radius, resolution};\n')
+    fid.write('Point(6) = {0, 0, -radius, resolution};\n')
     fid.write('Point(7) = {0, 0, radius, resolution};\n')
     fid.write('Circle(5) = {3, 1, 6};\n')
@@ -64,19 +64,19 @@
     fid.write('Circle(11) = {4, 1, 6};\n')
     fid.write('Circle(12) = {6, 1, 2};\n')
-    fid.write('Line Loop(13) = {2, 8, - 10};\n')
+    fid.write('Line Loop(13) = {2, 8, -10};\n')
     fid.write('Surface(14) = {13};\n')
     fid.write('Line Loop(15) = {10, 3, 7};\n')
     fid.write('Surface(16) = {15};\n')
-    fid.write('Line Loop(17) = { - 8, - 9, 1};\n')
+    fid.write('Line Loop(17) = { -8, -9, 1};\n')
     fid.write('Surface(18) = {17};\n')
-    fid.write('Line Loop(19) = { - 11, - 2, 5};\n')
+    fid.write('Line Loop(19) = { -11, -2, 5};\n')
     fid.write('Surface(20) = {19};\n')
-    fid.write('Line Loop(21) = { - 5, - 12, - 1};\n')
+    fid.write('Line Loop(21) = { -5, -12, -1};\n')
     fid.write('Surface(22) = {21};\n')
-    fid.write('Line Loop(23) = { - 3, 11, 6};\n')
+    fid.write('Line Loop(23) = { -3, 11, 6};\n')
     fid.write('Surface(24) = {23};\n')
-    fid.write('Line Loop(25) = { - 7, 4, 9};\n')
+    fid.write('Line Loop(25) = { -7, 4, 9};\n')
     fid.write('Surface(26) = {25};\n')
-    fid.write('Line Loop(27) = { - 4, 12, - 6};\n')
+    fid.write('Line Loop(27) = { -4, 12, -6};\n')
     fid.write('Surface(28) = {27};\n')
     fid.write('Surface Loop(29) = {28, 26, 16, 14, 20, 24, 22, 18};\n')
@@ -107,8 +107,8 @@
     #call gmsh
     if options.exist('refine'):
-        subprocess.call('gmsh - tol 1e-8 - 2 sphere.geo - bgm sphere.pos', shell=True)
+        subprocess.call('gmsh -tol 1e-8 -2 sphere.geo -bgm sphere.pos', shell=True)
     else:
         #call gmsh
-        subprocess.call('gmsh - tol 1e-8 - 2 sphere.geo', shell=True)
+        subprocess.call('gmsh -tol 1e-8 -2 sphere.geo', shell=True)
 
     #import mesh:  {{{