diff options
Diffstat (limited to 'transcode.c')
| -rw-r--r-- | transcode.c | 4 |
1 files changed, 4 insertions, 0 deletions
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: * |