Actually did what I claimed to have done in 43675cd (changed default real format when initialize is not called). This will add one more digit.

Author: jacobwilliams

src/json_parameters.F90

@@ -59,7 +59,7 @@ module json_parameters
     character(kind=CK,len=*),parameter :: slash           = achar(47, kind=CK)
     character(kind=CK,len=*),parameter :: backslash       = achar(92, kind=CK)
 
-    character(kind=CDK,len=*),parameter :: default_real_fmt = '(ss,E26.16E4)'
+    character(kind=CDK,len=*),parameter :: default_real_fmt = '(ss,E27.17E4)'
         !! default real number format statement (for writing real values to strings and files).
         !! Note that this can be overridden by calling [[json_initialize]].