Issue #19668: Added support for the cp1125 encoding.
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index ef79918..843de27 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -1027,6 +1027,10 @@
+-----------------+--------------------------------+--------------------------------+
| cp1026 | ibm1026 | Turkish |
+-----------------+--------------------------------+--------------------------------+
+| cp1125 | 1125, ibm1125, cp866u, ruscii | Ukrainian |
+| | | |
+| | | .. versionadded:: 3.4 |
++-----------------+--------------------------------+--------------------------------+
| cp1140 | ibm1140 | Western Europe |
+-----------------+--------------------------------+--------------------------------+
| cp1250 | windows-1250 | Central and Eastern Europe |