(minor bug) long notices become blanc lines

In a function I am building an sql dynamically. This sql becomes a long string. Because of an error The sql is printed with
_raise notice '%', sql_
Showing an sql of 3250 characters is no problem, but adding some 180 extra characters results in a blank line. When de sql is shortened by changing the raise command to
_raise notice '%',left(sql,2000);_
does show the first part of the sql. Is it possible to repair this problem by increasing the upper length limit or by truncating the lengthy string and adding some dots (e.g. "lengthy stri...")?