DESCRIPTION
 unvis is the inverse function of 
vis(1). It reverts a visual representation of data back to its original form on standard output.
The options are as follows:
- 
-e
- 
Don't decode \ escaped sequences.
- 
-H
- 
Decode entity references and numeric character references from RFC 1866. (VIS_HTTP1866)
- 
-h
- 
Decode using the URI encoding from RFC 1808. (VIS_HTTP1808)
- 
-m
- 
Decode using mime style. (VIS_MIMESTYLE)
Mixing -h or -H with -m is not supported.