draft wording for buddhist calendar complexities resulting from the shift in the new year from 1 April to 1 January in 1941

Author: ben-allen

spec.emu

@@ -54,7 +54,7 @@ contributors: Google, Ecma International
           </thead>
           <tr>
             <td>*"buddhist"*</td>
-            <td>Thai Buddhist calendar, proleptic. Month numbers, month codes, and days are the same as in the ISO 8601 calendar, but the epoch year is different. There is one era.</td>
+            <td>Thai Buddhist calendar, proleptic. Month numbers, month codes, and days are the same as in the ISO 8601 calendar, but the epoch year is different. There is one era. For dates prior to 1941, calendar conversions must take into account the historical reform that moved the Thai New Year from 1 April to 1 January, resulting in a shortened calendar year in 1940 and potential ambiguity in interpreting earlier dates.</td>
           </tr>
           <tr>
             <td>*"chinese"*</td>