The full list of possible DSLIP options are:
D - Development Stage (Note: *NO IMPLIED TIMESCALES*)

i - Idea, listed to gain consensus or as a placeholder
c - Under construction but pre-alpha (not yet released)
a - Alpha testing
b - Beta testing
R - Released
M - Mature (no rigorous definition)
S - Standard, supplied with Perl 5

S - Support Level

m - Mailing-list
d - Developer
u - Usenet newsgroup comp.lang.perl.modules
n - None known, try comp.lang.perl.modules
a - Abandoned, the module has been abandoned by its author

L - Language Used

p - Perl-only, no compiler needed, should be platform independent
c - C and perl, a C compiler will be needed
h - Hybrid, written in perl with optional C code, no compiler needed
+ - C++ and perl, a C++ compiler will be needed
o - perl and another language other than C or C++

I - Interface Style

f - plain Functions, no references used
h - hybrid, object and function interfaces available
n - no interface at all (huh?)
r - some use of unblessed References or ties
O - Object oriented using blessed references and/or inheritance

P - Public License

p - Standard-Perl: user may choose between GPL and Artistic
g - GPL: GNU General Public License
l - LGPL: "GNU Lesser General Public License" (previously known as "GNU Library General Public License")
b - BSD: The BSD License
a - Artistic license alone
o - other (but distribution allowed without restrictions)

DISCLAIMER: The status of the Public License field is there for informational purpose only and does not constitute a legal binding of any kind. To obtain proper information about the Licencing terms of a module and its accompanying files, please refer to the distribution of the modules or contact the author as appropriate. Please inform modules@perl.org if you encounter any mismatch between the contents of the Public License field and what the distribution actually says about it.