Update wording:

<   Currently, ALTER USER and ALTER DATABASE support per-user and
>   Currently ALTER USER and ALTER DATABASE support per-user and
< 	  Currently, subtracting one date from another that crosses a
> 	  Currently subtracting one date from another that crosses a
<   Currently, SQL-language functions can only refer to parameters via $1, etc
>   Currently SQL-language functions can only refer to dollar parameters,
>   e.g. $1
<   Currently, queries prepared via the libpq API are planned on first
>   Currently queries prepared via the libpq API are planned on first
< 	  Currently, SET <tab> causes a database lookup to check all
> 	  Currently SET <tab> causes a database lookup to check all
< 	  Currently, all statement results are transferred to the libpq
> 	  Currently all statement results are transferred to the libpq