Man pages matching name ace::graphics::glyph::triangle in section 3pm:

Ace::Graphics::Glyph::triangle.3pm.en	debian 10 / libace-perl
Ace::Graphics::Glyph::triangle.3pm.en	debian 11 / libace-perl
Ace::Graphics::Glyph::triangle.3pm.en	debian 12 / libace-perl