I have added this to the next commit-fest.

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Pavel Stehule wrote:
> Hello
> 
> this simple patch allow to specify cursor row when some function is
> opened in editor.
> 
> \e aaa.txt
> \a aaa.txt 3 ... move cursor on 3nd line of text
> \ef foo
> \ef foo 3 ... move cursor on 3nd line of function body
> \sf foo ... show function body
> \sf+ foo ... show function body - use line numbers
> \sf[+] foo n ... show function body from line n
> 
> postgres=# \sf foo
> 
> CREATE OR REPLACE FUNCTION public.foo()
>  RETURNS integer
>  LANGUAGE plpgsql
> AS $function$
> begin
>   return 10/0;
> end;
> $function$
> 
> postgres=# \sf+ foo
> 
> ****  CREATE OR REPLACE FUNCTION public.foo()
> ****   RETURNS integer
> ****   LANGUAGE plpgsql
>    1  AS $function$
>    2  begin
>    3    return 10/0;
>    4  end;
> ****  $function$
> 
> Regards
> Pavel Stehule

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-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

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