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1.9.13 news to main body
* NEWS: Fold 1.9.13 text into the main text.
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Andy Wingo
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1 changed files with 74 additions and 137 deletions
211
NEWS
211
NEWS
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@ -16,142 +16,6 @@ The guile binary now supports a new switch "-x", which can be used to
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extend the list of filename extensions tried when loading files
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(%load-extensions).
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Changes in 1.9.13 (since the 1.9.12 prerelease):
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** SRFI support
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The following SRFIs have been added:
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- SRFI-27 "Sources of Random Bits"
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- SRFI-42 "Eager Comprehensions"
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- SRFI-45 "Primitives for Expressing Iterative Lazy Algorithms"
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- SRFI-67 "Compare Procedures"
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Thanks to Andreas Rottmann.
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** (system foreign) API changes
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The `make-foreign-function' procedure was renamed to
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`pointer->procedure'.
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** (system xref) source database
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The `(system xref)' module can now map from source locations to
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procedures. See the `source-procedures' and `source-closures' functions.
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** New procedures: `scm_to_latin1_stringn', `scm_from_latin1_stringn'
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Use these procedures when you know you have latin1-encoded or
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ASCII-encoded strings.
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** New procedures: `scm_to_stringn', `scm_from_stringn'
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Use these procedures if you want to encode or decode from a particular
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locale.
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** Removed support shlibs for SRFIs 1, 4, 13, 14, and 60
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Though these SRFI support libraries did expose API, they encoded a
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strange version string into their library names. That version was never
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programmatically exported, so there was no way people could use the
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libs.
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This was a fortunate oversight, as it allows us to remove the need for
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extra, needless shared libraries --- the C support code for SRFIs 4, 13,
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and 14 was already in core --- and allow us to incrementally return the
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SRFI implementation to Scheme.
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** Simplifications to the set of low-level hooks exported by the VM
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See "VM Hooks" in the manual, for more information.
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** New traps system
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See "Traps" in the manual, for more information.
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** Breakpoints, tracepoints and source stepping now available at the REPL
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See "Interactive Debugging" in the manual, for more information.
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The new REPL commands are: break, break-at-source, tracepoint, traps,
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delete, disable, enable, step, step-instruction, next, next-instruction,
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finish, and registers.
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** Remove obsolete debug-options
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Removed `breakpoints', `trace', `procnames', `indent', `frames',
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`maxdepth', and `debug' debug-options.
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** Remove obsolete print-options
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The `source' and `closure-hook' print options are obsolete, and have
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been removed.
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** Remove obsolete read-options
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The "elisp-strings" and "elisp-vectors" read options were unused and
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obsolete, so they have been removed.
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** Remove eval-options and trap-options
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Eval-options and trap-options are obsolete with the new VM and
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evaluator.
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** Remove (ice-9 debugger) and (ice-9 debugging)
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See "Traps" and "Interactive Debugging" in the manual, for information
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on their replacements.
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** Remove the GDS Emacs integration
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See "Using Guile in Emacs" in the manual, for info on how we think you
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should use Guile with Emacs.
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** Remove vm-version, vm options
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These procedures introduced during the 1.9 series had no effect.
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** Add `call-with-vm' and ability to set VM engine
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`call-with-vm' applies a procedure to arguments in a context in which a
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given VM is current.
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`set-vm-engine!' can be used to specify the engine for a VM, which will
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become current at the next `call-with-vm' invocation.
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** Default to "regular" VM engine for noninteractive use
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The "debug" engine is used when the user specifies --debug, or when
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running interactively. A debug VM allows hooks to run; see "VM Hooks" in
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the manual.
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** `backtrace' debug option on by default
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Given that Guile 2.0 can always give you a backtrace, backtraces are now
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on by default.
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** `turn-on-debugging' deprecated
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** New compilation warning: `-Wformat'
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The `-Wformat' warning can indicate a number of common format string
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errors. See "Compilation" in the manual, for more information.
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** Add `(system repl server)' module and `--listen' command-line argument
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The `(system repl server)' module exposes procedures to listen on
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sockets for connections, and serve REPLs to those clients. The --listen
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command-line argument allows any Guile program to thus be remotely
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debuggable.
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See "Invoking Guile" for more information on `--listen'.
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** Big manual updates
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The GOOPS documentation got a lot of attention this cycle, as well as
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the sections on interactive use and debugging. We don't know of any
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sections of the manual that are out-of-date at this point.
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** And of course, the usual collection of bugfixes
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Interested users should see the ChangeLog for more information.
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@ -163,6 +27,10 @@ Changes in 1.9.x (since the 1.8.x series):
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* New modules (see the manual for details)
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** `(srfi srfi-18)', more sophisticated multithreading support
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** `(srfi srfi-27)', sources of random bits
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** `(srfi srfi-42)', eager comprehensions
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** `(srfi srfi-45)', primitives for expressing iterative lazy algorithms
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** `(srfi srfi-67)', compare procedures
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** `(ice-9 i18n)', internationalization support
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** `(rnrs bytevectors)', the R6RS bytevector API
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** `(rnrs io ports)', a subset of the R6RS I/O port API
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@ -228,6 +96,15 @@ help when running Guile inside Emacs. This option has been removed, and
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the helper functions `named-module-use!' and `load-emacs-interface' have
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been deprecated.
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** Add `(system repl server)' module and `--listen' command-line argument
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The `(system repl server)' module exposes procedures to listen on
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sockets for connections, and serve REPLs to those clients. The --listen
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command-line argument allows any Guile program to thus be remotely
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debuggable.
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See "Invoking Guile" for more information on `--listen'.
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** New reader options: `square-brackets' and `r6rs-hex-escapes'
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The reader supports a new option (changeable via `read-options'),
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@ -1152,7 +1029,8 @@ procedure, with -Warity-mismatch, or `arity-mismatch' in the
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`#:warnings' as above.
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Other warnings include `-Wunused-variable' and `-Wunused-toplevel', to
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warn about unused local or global (top-level) variables.
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warn about unused local or global (top-level) variables, and `-Wformat',
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to check for various errors related to the `format' procedure.
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** A new `memoize-symbol' evaluator trap has been added.
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@ -1380,6 +1258,43 @@ This module had some debugging helpers that are no longer applicable to
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the current debugging model. Importing this module will produce a
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deprecation warning. Users should contact bug-guile for support.
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** Remove obsolete debug-options
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Removed `breakpoints', `trace', `procnames', `indent', `frames',
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`maxdepth', and `debug' debug-options.
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** `backtrace' debug option on by default
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Given that Guile 2.0 can always give you a backtrace, backtraces are now
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on by default.
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** `turn-on-debugging' deprecated
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** Remove obsolete print-options
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The `source' and `closure-hook' print options are obsolete, and have
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been removed.
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** Remove obsolete read-options
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The "elisp-strings" and "elisp-vectors" read options were unused and
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obsolete, so they have been removed.
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** Remove eval-options and trap-options
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Eval-options and trap-options are obsolete with the new VM and
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evaluator.
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** Remove (ice-9 debugger) and (ice-9 debugging)
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See "Traps" and "Interactive Debugging" in the manual, for information
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on their replacements.
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** Remove the GDS Emacs integration
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See "Using Guile in Emacs" in the manual, for info on how we think you
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should use Guile with Emacs.
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** Deprecated: `lazy-catch'
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`lazy-catch' was a form that captured the stack at the point of a
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@ -1411,6 +1326,16 @@ backward-compatible way. A new allocation routine,
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Libgc is a conservative GC, which we hope will make interaction with C
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code easier and less error-prone.
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** New procedures: `scm_to_latin1_stringn', `scm_from_latin1_stringn'
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Use these procedures when you know you have latin1-encoded or
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ASCII-encoded strings.
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** New procedures: `scm_to_stringn', `scm_from_stringn'
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Use these procedures if you want to encode or decode from a particular
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locale.
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** New type definitions for `scm_t_intptr' and friends.
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`SCM_T_UINTPTR_MAX', `SCM_T_INTPTR_MIN', `SCM_T_INTPTR_MAX',
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@ -1526,6 +1451,18 @@ The upshot is that the mechanics used to apply a SMOB are different from
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`apply_3' functions, and the macros SCM_SMOB_APPLY_0 and friends are now
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deprecated. Just use the scm_call_0 family of procedures.
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** Removed support shlibs for SRFIs 1, 4, 13, 14, and 60
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Though these SRFI support libraries did expose API, they encoded a
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strange version string into their library names. That version was never
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programmatically exported, so there was no way people could use the
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libs.
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This was a fortunate oversight, as it allows us to remove the need for
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extra, needless shared libraries --- the C support code for SRFIs 4, 13,
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and 14 was already in core --- and allow us to incrementally return the
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SRFI implementation to Scheme.
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** New C function: scm_module_public_interface
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This procedure corresponds to Scheme's `module-public-interface'.
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