LispPad

LispPad is a simple, lightweight, integrated development environment for developing and running Scheme code. The language supported by LispPad is based on the R7RS standard for Scheme.

Features

• A fully integrated Scheme interpreter
• A console with a read-eval-print loop to interact with the interpreter
• A text editor for writing Scheme code, supporting syntax highlighting, smart indentation, parenthesis matching, page guides, etc.

New features:

• The menu showing currently opened windows groups the windows by type
• LispPad is now able to create, open and edit `.txt` and `.md` text documents
• New (lispkit draw) library provides a powerful API for creating drawings and saving them as PDF documents or image files
• New (lisppad app) library allows users to script LispPad directly using Scheme
• LispPad now supports graphics windows to display drawings created with (lispkit draw)
• SRFI libraries: SRFI 111, SRFI 112, SRFI 113
• New example code showcases the new drawing and scripting features Bug fixes:
• There is now a HelpBook available within LispPad
• Printing of all documents now works correctly
• Bugs in SRFI 69 are fixed
• Continuations are now correctly tagged and continuation works as documented
• Multiple libraries can now be imported with one import invocation, as required by R7RS
• Current-input-port, current-output-port, and current-error-port have been turned into parameter objects, as required by R7RS
• Library (lispkit test) was extended to be more compatible with similar libraries