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.