Next, I tried changing the file name from .txt to .phps (a suffix the author uses). No luck. Then I changed the suffix to .php. Then at least the plugin displayed & I activated it whereupon I got this error:
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Warning: Cannot modify header information - headers already sent by (output started at /home/richard2/public_html/tikun_olam/wp-content/plugins/headmeta.php:1) in /home/richard2/public_html/tikun_olam/wp-admin/admin.php on line 10
Warning: Cannot modify header information - headers already sent by (output started at /home/richard2/public_html/tikun_olam/wp-content/plugins/headmeta.php:1) in /home/richard2/public_html/tikun_olam/wp-admin/admin.php on line 11
Warning: Cannot modify header information - headers already sent by (output started at /home/richard2/public_html/tikun_olam/wp-content/plugins/headmeta.php:1) in /home/richard2/public_html/tikun_olam/wp-admin/admin.php on line 12
Warning: Cannot modify header information - headers already sent by (output started at /home/richard2/public_html/tikun_olam/wp-content/plugins/headmeta.php:1) in /home/richard2/public_html/tikun_olam/wp-admin/admin.php on line 13
I'm going to check that my theme has the wp header code in the template. Otherwise, I don't know what could be wrong & would appreciate suggestions fr. others.