errors: introduce the -Werror=CATEGORY option

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 7f0fe8b296f1dfbd3ae2f45192ab4c0ce8571600..7e5bda2d42a127866022083b5c56ac0a31ed7ee9 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -90,9 +90,8 @@ GNU Bison NEWS
     foo.y: warning: 1 shift/reduce conflict [-Wconflicts-sr]
     foo.y: warning: 2 reduce/reduce conflicts [-Wconflicts-rr]
     $ bison -Werror foo.y
-    bison: warnings being treated as errors
-    foo.y: warning: 1 shift/reduce conflict [-Wconflicts-sr]
-    foo.y: warning: 2 reduce/reduce conflicts [-Wconflicts-rr]
+    foo.y: error: 1 shift/reduce conflict [-Werror=conflicts-sr]
+    foo.y: error: 2 reduce/reduce conflicts [-Werror=conflicts-rr]
 
   When %expect or %expect-rr is used, such as with bar.y:
 
@@ -111,8 +110,8 @@ GNU Bison NEWS
   New one:
 
     $ bison bar.y
-    bar.y: shift/reduce conflicts: 1 found, 0 expected
-    bar.y: reduce/reduce conflicts: 2 found, 0 expected
+    bar.y: error: shift/reduce conflicts: 1 found, 0 expected
+    bar.y: error: reduce/reduce conflicts: 2 found, 0 expected
 
 ** Additional yylex/yyparse arguments
 
@@ -211,6 +210,18 @@ GNU Bison NEWS
   Incorrect definitions of YY_, issued by yacc.c when no parser header is
   generated, are removed.
 
+** Changes in the format of errors and exceptions output
+
+  This used to be the format of many error reports:
+
+    foo.y:5.10-24: result type clash on merge function 'merge': <t3> != <t2>
+    foo.y:4.13-27: previous declaration
+
+  It is now:
+
+    foo.y:5.10-25: result type clash on merge function 'merge': <t3> != <t2>
+    foo.y:4.13-27:     previous declaration
+
 * Noteworthy changes in release 2.6.2 (2012-08-03) [stable]
 
 ** Bug fixes