wp-email plugin can’t find .htaccess line to modify

You have to rewrite .htaccess to use wp-email plugin (which mails a post to a friend, a sort of “forward to a friend” thing). But my htaccess does not have the ^archives line where the new code should be placed. Where is it? Another name? I’m using the lucky13 plugin, too–could that cause a problem?

Here are the instructions for modifying .htaccess:

// Go to Manage > Files > Common -> .htaccess (for rewrite rules)
// Note: If you ARE using nice permalink url
Find:
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RewriteRule ^archives/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/?([0-9]+)?/?$ <BLOG URL>/index.php?year=$1&monthnum=$2&day=$3&name=$4&page=$5 [QSA,L]
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Add Below It:
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RewriteRule ^archives/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/email/?$ <BLOG URL>/wp-email.php?year=$1&monthnum=$2&day=$3&name=$4 [QSA,L]
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