Steal GCC's --time-report support.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 144d865d57774e368941b40bef18877bb6b3146c..c589d2f252df959fde689d48a865c3c6f8730fc0 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -8,7 +8,7 @@ Changes in version 1.49b:
      %glr-parser
   causes Bison to produce a Generalized LR (GLR) parser, capable of handling
   almost any context-free grammar, ambiguous or not.  The new declarations
-  %dprec and %merge on grammar rules allow parse-time resolution of 
+  %dprec and %merge on grammar rules allow parse-time resolution of
   ambiguities.  Contributed by Paul Hilfinger.
 
 * Output Directory
@@ -30,6 +30,13 @@ Changes in version 1.49b:
   user specified that one of her tokens is numbered 256, then error
   will be mapped onto another number.
 
+* Verbose error messages
+  They no longer report `..., expecting error or...' for state where
+  error recovery is possible.
+
+* End token
+  Defaults to `$end' instead of `$'.
+
 * Error recovery now conforms to documentation and to POSIX
   When a Bison-generated parser encounters a syntax error, it now pops
   the stack until it finds a state that allows shifting the error
@@ -58,6 +65,10 @@ Changes in version 1.49b:
 * Useless rules, useless nonterminals
   They are now reported, as a warning, with their locations.
 
+* Rules never reduced
+  Rules that can never be reduced because of conflicts are now
+  reported.
+
 * Incorrect `Token not used'
   On a grammar such as
 
@@ -80,7 +91,7 @@ Changes in version 1.49b:
 * Token end-of-file
   The token end of file may be specified by the user, in which case,
   the user symbol is used in the reports, the graphs, and the verbose
-  error messages instead of `$', which remains being the defaults.
+  error messages instead of `$end', which remains being the defaults.
   For instance
      %token YYEOF 0
   or