FaberFedor noticed that dashed words such as foo-bar are not considered one word in PhpDig v.1.8.7.
To fix, in robot_functions.php find the phpdigCleanHtml function, and in this function find:
Code:
//replace foo characters by space
$text = eregi_replace("[*{}()\"\r\n\t-]+"," ",$text);
And replace that with the following:
Code:
//replace foo characters by space
$text = eregi_replace("[*{}()\"\r\n\t]+"," ",$text);
If you downloaded PhpDig v.1.8.7
after the date of this post, the changes are already included in the package.