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diff --git a/third_party/lisp/mime4cl/README.md b/third_party/lisp/mime4cl/README.md new file mode 100644 index 000000000000..2704d481ed3c --- /dev/null +++ b/third_party/lisp/mime4cl/README.md @@ -0,0 +1,27 @@ +# mime4cl + +`MIME4CL` is a Common Lisp library for dealing with MIME messages. It was +originally been written by Walter C. Pelissero and vendored into depot +([mime4cl-20150207T211851.tbz](http://wcp.sdf-eu.org/software/mime4cl-20150207T211851.tbz) +to be exact) as upstream has become inactive. Its [original +website](http://wcp.sdf-eu.org/software/#mime4cl) can still be accessed. + +The depot version has since diverged from upstream. Main aims were to improve +performance and reduce code size by relying on third party libraries like +flexi-streams. It is planned to improve encoding handling in the long term. +Currently, the library is being worked on intermittently and not very well +tested—**it may not work as expected**. + +## Differences from the original version + +* `//nix/buildLisp` is used as the build system. ASDF is currently untested and + may be broken. + +* The dependency on [sclf](http://wcp.sdf-eu.org/software/#sclf) has been + eliminated by inlining the relevant parts. + +* `MY-STRING-INPUT-STREAM`, `DELIMITED-INPUT-STREAM`, + `CHARACTER-INPUT-ADAPTER-STREAM`, `BINARY-INPUT-ADAPTER-STREAM` etc. have been + replaced by (thin wrappers around) flexi-streams. In addition to improved + handling of encodings, this allows using `READ-SEQUENCE` via the gray stream + interface. |