Man pages matching name kinosearch1::highlight::simplehtmlencoder in section 3pm:

KinoSearch1::Highlight::SimpleHTMLEncoder.3pm.en	debian 10 / libkinosearch1-perl
KinoSearch1::Highlight::SimpleHTMLEncoder.3pm.en	debian 11 / libkinosearch1-perl
KinoSearch1::Highlight::SimpleHTMLEncoder.3pm.en	debian 12 / libkinosearch1-perl