>This is to let you all know that I discovered a really nice, undocumented feature of PADL(). It is present in at least vfp7 and higher.
>
>The 3rd parameter can be used to define the Pad Character, says the doc. However, this parameter can be of varying length! An example:
>
>

? "Result: " + padl( 123, 10, "#000000000" )
>Result: #000000123

It is a doc error.
Correct documentation is

PADL(eExpression, nResultSize [, cExpression])
 
PADR(eExpression, nResultSize [, cExpression])
 
PADC(eExpression, nResultSize [, cExpression])

? "Result: " + padl( '', 5, "#_" ) && Result: "#_#_#"

* The implementation have a bug
? "Result: " + padR( '', 5, "#_" ) && Result: "#_#_#"  Expected "_#_#_"