add quotes to example .nml file

examples/nile3eq/NILE.NML

@@ -41,7 +41,7 @@
  dllname=H:\arossi\dmm\nile\NILE.m      Matlab
 
  &ssm
-  nx=2 nu=2 d=1 1 nv=1 check=n estimation=BA dllname=H:\arossi\dmm\nile\NILE.m
+  nx=2 nu=2 d=1 1 nv=1 check='n' estimation='BA' dllname='/Users/houtanb/Documents/DYNARE/DMM/NILE.m'
  &end
 
  Namelist Sj describes discrete latent variables Sj, j = 1,...,nv:
@@ -52,7 +52,7 @@
             of dimension k ordered by columns
  matSj    = matrices impacted by Sj (one or more of c H G a F R)
 
- &S1 dynS1=I nS1=4 hypS1(1,1)= 8 4 4 1 matS1=R &end
+ &S1 dynS1='I' nS1=4 hypS1(1,1)= 8 4 4 1 matS1='R' &end
 
  Namelist prior describes priors pdf of model parameters (except transition probs):
  nt       = number of theta parameters
@@ -62,9 +62,9 @@
             value is fixed at lb=ub
 
  &prior nt = 3
-  pdftheta(1) = IG hyptheta(1,1) = 6000 6  0 500000
-  pdftheta(2) = IG hyptheta(1,2) = 6000 6  0 500000
-  pdftheta(3) = BE hyptheta(1,3) = 2 4  1 20
+  pdftheta(1) = 'IG' hyptheta(1,1) = 6000 6  0 500000
+  pdftheta(2) = 'IG' hyptheta(1,2) = 6000 6  0 500000
+  pdftheta(3) = 'BE' hyptheta(1,3) = 2 4  1 20
  &end
 
  Namelist mcmc contains the Markov Chain Monte Carlo options:
@@ -75,7 +75,7 @@
  hbl         = block length discrete latent variable (1:GCK, >1: AMH)
 
  &mcmc
-  seed=0 thin=1 burnin=1000 simulrec=5000 hbl=1 MargLik=n
+  seed=0 thin=1 burnin=1000 simulrec=5000 hbl=1 MargLik='n'
  &end
 
  Namelist dataset provides data:
@@ -90,7 +90,7 @@
 
  Note: use can be made of -99999 to assign missing values to the endogenous variables
 
- &dataset T=100 ny=1 nz=0 nf=10 datasim=n obs=
+ &dataset T=100 ny=1 nz=0 nf=10 datasim='n' obs=
   1120
   1160
   963