DOC: Update Sphinx Deprecated Directive

doc/source/io.rst

@@ -137,8 +137,10 @@ usecols : array-like or callable, default ``None``
 
   Using this parameter results in much faster parsing time and lower memory usage.
 as_recarray : boolean, default ``False``
-  DEPRECATED: this argument will be removed in a future version. Please call
-  ``pd.read_csv(...).to_records()`` instead.
+
+  .. deprecated:: 0.18.2
+
+     Please call ``pd.read_csv(...).to_records()`` instead.
 
   Return a NumPy recarray instead of a DataFrame after parsing the data. If
   set to ``True``, this option takes precedence over the ``squeeze`` parameter.
@@ -191,7 +193,11 @@ skiprows : list-like or integer, default ``None``
 skipfooter : int, default ``0``
   Number of lines at bottom of file to skip (unsupported with engine='c').
 skip_footer : int, default ``0``
-  DEPRECATED: use the ``skipfooter`` parameter instead, as they are identical
+
+  .. deprecated:: 0.19.0
+
+     Use the ``skipfooter`` parameter instead, as they are identical
+
 nrows : int, default ``None``
   Number of rows of file to read. Useful for reading pieces of large files.
 low_memory : boolean, default ``True``
@@ -202,16 +208,25 @@ low_memory : boolean, default ``True``
   use the ``chunksize`` or ``iterator`` parameter to return the data in chunks.
   (Only valid with C parser)
 buffer_lines : int, default None
-    DEPRECATED: this argument will be removed in a future version because its
-    value is not respected by the parser
+
+  .. deprecated:: 0.19.0
+
+     Argument removed because its value is not respected by the parser
+
 compact_ints : boolean, default False
-  DEPRECATED: this argument will be removed in a future version
+
+  .. deprecated:: 0.19.0
+
+     Argument moved to ``pd.to_numeric``
 
   If ``compact_ints`` is ``True``, then for any column that is of integer dtype, the
   parser will attempt to cast it as the smallest integer ``dtype`` possible, either
   signed or unsigned depending on the specification from the ``use_unsigned`` parameter.
 use_unsigned : boolean, default False
-  DEPRECATED: this argument will be removed in a future version
+
+  .. deprecated:: 0.18.2
+
+     Argument moved to ``pd.to_numeric``
 
   If integer columns are being compacted (i.e. ``compact_ints=True``), specify whether
   the column should be compacted to the smallest signed or unsigned integer dtype.