Params: Fix for AMReX line continuation changes

Following AMReX-Codes/amrex#3433 and AMReX-Codes/amrex#3437, line
continuation is only supported with a '\' character.

Examples/BinaryBH/inputs.test

@@ -96,12 +96,10 @@ lo_boundary = 1 1 2
 # 0 = even
 # 1,2,3 = odd x, y, z
 # 7 = odd xyz
-vars_parity = 0 0 4 6 0 5 0 #chi and hij
- 0 0 4 6 0 5 0 #K and Aij
- 0 1 2 3 #Theta and Gamma
- 0 1 2 3 1 2 3 #lapse shift and B
-vars_parity_diagnostic = 0 1 2 3 #Ham and Mom
- 0 7 #Weyl
+vars_parity = 0 0 4 6 0 5 0 0 0 4 6 0 5 0 0 1 2 3 0 1 2 3 1 2 3
+ #chi and hij K and Aij Theta and Gamma Gauge
+vars_parity_diagnostic = 0 1 2 3 0 7
+ #Ham and Mom Weyl
 
 # if sommerfeld boundaries selected, must select
 # non zero asymptotic values

Examples/BinaryBH/params_profile.txt

@@ -70,10 +70,8 @@ lo_boundary = 1 1 2
 # 0 = even
 # 1,2,3 = odd x, y, z
 # 7 = odd xyz
-vars_parity = 0 0 4 6 0 5 0 #chi and hij
- 0 0 4 6 0 5 0 #K and Aij
- 0 1 2 3 #Theta and Gamma
- 0 1 2 3 1 2 3 #lapse shift and B
+vars_parity = 0 0 4 6 0 5 0 0 0 4 6 0 5 0 0 1 2 3 0 1 2 3 1 2 3
+ #chi and hij K and Aij Theta and Gamma Gauge
 
 # if sommerfeld boundaries selected, must select
 # non zero asymptotic values

Examples/BinaryBH/params_test.txt

@@ -61,10 +61,8 @@ lo_boundary = 1 1 2
 # 0 = even
 # 1,2,3 = odd x, y, z
 # 7 = odd xyz
-vars_parity = 0 0 4 6 0 5 0 #chi and hij
- 0 0 4 6 0 5 0 #K and Aij
- 0 1 2 3 #Theta and Gamma
- 0 1 2 3 1 2 3 #lapse shift and B
+vars_parity = 0 0 4 6 0 5 0 0 0 4 6 0 5 0 0 1 2 3 0 1 2 3 1 2 3
+ #chi and hij K and Aij Theta and Gamma Gauge
 
 # if sommerfeld boundaries selected, must select
 # non zero asymptotic values