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Release notes for version 0.57 This is release fixes a number of bugs found in version 0.56. There are also a few minor additions. Additions Added a system procedure that calls the C system() function (in structure c-system-function). Added SRFIs 11, 13, 14, 16, 17, and 23. One name in the SRFI 14 interface had to be changed; see the manual for details. Bug fixes Removed duplicate definitions of S48_{ENTER|EXTRACT}_BOOLEAN from c/scheme48.h. Fixed a problem in lookup_record() in c/posix/proc.c that was causing crashes. Added scheme/srfi to the list of directories that get installed. Zeroed sockaddr structs in c/unix/socket.c. Added configuration tests for socklen_t. Marked define-record-type as syntax in the SRFI-9 interface. Fixed (another) bug in s48-shorten-bignum. Fixed off-by-one error that caused one resumer record to be ignored when writing out images. Fixed problem with macros expanding into uses of finite types. Added a handler for the time opcode to take care of any arithmetic overflow. Release notes for version 0.56. Jump to top of page.