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Update `NEWS'.

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Ludovic Courtès 2010-01-19 22:29:13 +01:00
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34
NEWS
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@ -197,6 +197,26 @@ allows Guile's copy of SSAX to override any Guile-Lib copy the user has
installed. Also it should cut the number of `stat' system calls by half, installed. Also it should cut the number of `stat' system calls by half,
in the common case. in the common case.
** Compile-time warning: -Wunused-toplevel
Guile can warn about potentially unused top-level (global)
variables. Pass the -Wunused-toplevel on the `guile-tools compile'
command line, or add
`#:warnings '(unused-toplevel)' to your `compile' or `compile-file'
invocation.
** New reader options: `square-brackets' and `r6rs-hex-escapes'
The reader supports a new option (changeable via `read-options'),
`square-brackets', which instructs it to interpret square brackets as
parenthesis. This option is on by default.
If this causes problems with your code, make sure to report it to
bug-guile@gnu.org so we can change the default.
When the new `r6rs-hex-escapes' reader option is enabled, the reader
will recognize string escape sequences as defined in R6RS.
** And of course, the usual collection of bugfixes ** And of course, the usual collection of bugfixes
Interested users should see the ChangeLog for more information. Interested users should see the ChangeLog for more information.
@ -246,6 +266,15 @@ Running Guile with no arguments drops the user into the new REPL. While
it is self-documenting to an extent, the new REPL has not yet been it is self-documenting to an extent, the new REPL has not yet been
documented in the manual. This will be fixed before 2.0. documented in the manual. This will be fixed before 2.0.
** New reader options: `square-brackets' and `r6rs-hex-escapes'
The reader supports a new option (changeable via `read-options'),
`square-brackets', which instructs it to interpret square brackets as
parenthesis. This option is on by default.
When the new `r6rs-hex-escapes' reader option is enabled, the reader
will recognize string escape sequences as defined in R6RS.
** Function profiling and tracing at the REPL ** Function profiling and tracing at the REPL
The `,profile FORM' REPL meta-command can now be used to statistically The `,profile FORM' REPL meta-command can now be used to statistically
@ -937,7 +966,7 @@ There was an EBCDIC compile flag that altered some of the character
processing. It appeared that full EBCDIC support was never completed processing. It appeared that full EBCDIC support was never completed
and was unmaintained. and was unmaintained.
** Compile-time warnings: -Wunbound-variable, -Warity-mismatch. ** Compile-time warnings
Guile can warn about potentially unbound free variables. Pass the Guile can warn about potentially unbound free variables. Pass the
-Wunbound-variable on the `guile-tools compile' command line, or add -Wunbound-variable on the `guile-tools compile' command line, or add
@ -948,6 +977,9 @@ Guile can also warn when you pass the wrong number of arguments to a
procedure, with -Warity-mismatch, or `arity-mismatch' in the procedure, with -Warity-mismatch, or `arity-mismatch' in the
`#:warnings' as above. `#:warnings' as above.
Other warnings include `-Wunused-variable' and `-Wunused-toplevel', to
warn about unused local or global (top-level) variables.
** A new `memoize-symbol' evaluator trap has been added. ** A new `memoize-symbol' evaluator trap has been added.
This trap can be used for efficiently implementing a Scheme code This trap can be used for efficiently implementing a Scheme code