<term><literal>ECPG_INFORMIX_DATE_CONVERT</></term>
<listitem>
<para>
- Functions return this value if Internally it is defined to -1210 (the
+ Functions return this value if an error occurred during date
+ formatting. Internally it is defined to -1210 (the
<productname>Informix</productname> definition).
</para>
</listitem>
<term><literal>ECPG_INFORMIX_OUT_OF_MEMORY</></term>
<listitem>
<para>
- Functions return this value if Internally it is defined to -1211 (the
+ Functions return this value if memory was exhausted during
+ their operation. Internally it is defined to -1211 (the
<productname>Informix</productname> definition).
</para>
</listitem>