It looks to me like we are missing a closing HTML ">" on line 332 of acknowledge.c
fprintf(stdout, "<center><font size=\"+1\"><b>No active alerts</b></font></center\n");
shouldn't that be </center>\n ?
This came to light when I made changes to the std_footer and those changes did not render correctly on acknowledge.sh when there were no alerts.
I first noticed this in 4.3.12, but it is still present in 4.3.13.
--
Do things because you should, not just because you can.
John Thurston XXX-XXX-XXXX
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Enterprise Technology Services
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State of Alaska