INI file with section name without data

I have created an ini file using LabWindows CVI 2013 and want to create a section name that has no data similar to this:

[INTERFACE]

Interface Type = Serial

[GPIB]

[SERIAL]

Any ideas on how to create the [GPIB] and [SERIAL] sections without any data?

Also, is there a way to add comments to the the sectionName as well as to the tagName data?