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| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | transcode.c | 4 |
2 files changed, 11 insertions, 0 deletions
@@ -1,3 +1,10 @@ +Fri Mar 23 15:12:12 2012 Martin Duerst <duerst@it.aoyama.ac.jp> + + * transcode.c (documentation for str_encode): Explain + that transcoding to the same encoding is a no-op + (i.e. no exceptions, no replacements,...). + [ruby-core:43557][Bug #6190] + Fri Mar 23 13:19:20 2012 Nobuyoshi Nakada <nobu@ruby-lang.org> * bignum.c (rb_str_to_inum): must be ASCII compatible encoding as diff --git a/transcode.c b/transcode.c index 1378402eb7..ac64fdf617 100644 --- a/transcode.c +++ b/transcode.c @@ -2815,6 +2815,10 @@ static VALUE encoded_dup(VALUE newstr, VALUE str, int encidx); * in the source encoding. The last form by default does not raise * exceptions but uses replacement strings. * + * Please note that conversion from an encoding +enc+ to the + * same encoding +enc+ is a no-op, i.e. the receiver is returned without + * any changes, and no exceptions are raised, even if there are invalid bytes. + * * The +options+ Hash gives details for conversion and can have the following * keys: * |