Of course, the problem can be "solved" by inserting a false "}" inside a comment:
A simpler solution would have been to escape the delimiter like you would do with single-line string literals.
#sub _DBLoad \{
However, single-quoted here-docs are even simpler. They remove the need to escape slashes and delimiters.
eval <<'__EOI__';
...
__EOI__
For example, the output of the following two snippets differ only in the leading newline.
print q{
foo \{ \} \\\\ bar
};
print <<'__EOI__';
foo { } \\ bar
__EOI__
Update: Added escaping solution.
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