Fix man match for pages that start with p, also fix 3p pages and add tests.

plugins/openbsd_man.go

@@ -18,7 +18,7 @@ func (h *OpenBSDMan) Descr() string {
 
 // Re matches our man format
 func (h *OpenBSDMan) Re() string {
-	return `(?i)^man: ([1-9]?p?)\s?(.+)$`
+	return `(?i)^man: ([1-9][p]?)?\s?(.+)$`
 }
 
 func (h *OpenBSDMan) fix(msg string) string {
@@ -30,6 +30,10 @@ func (h *OpenBSDMan) fix(msg string) string {
 	}
 	if section != "" {
 		resp = re.ReplaceAllString(msg, "$2.$1")
+		if matched, _ := regexp.MatchString(`3p`, resp); matched {
+			resp = fmt.Sprintf("man3p/%s", resp)
+		}
+
 	} else {
 		resp = re.ReplaceAllString(msg, "$2")
 	}

plugins/openbsd_man_test.go

@@ -0,0 +1,22 @@
+package plugins
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestMatch(t *testing.T) {
+	testStrings := make(map[string]string)
+	testStrings["man: pledge"] = "https://man.openbsd.org/pledge"
+	testStrings["man: 2 pledge"] = "https://man.openbsd.org/pledge.2"
+	testStrings["man: unveil"] = "https://man.openbsd.org/unveil"
+	testStrings["man: 3p vars"] = "https://man.openbsd.org/man3p/vars.3p"
+
+	om := &OpenBSDMan{}
+	for msg, resp := range testStrings {
+		matched := fmt.Sprintf("https://man.openbsd.org/%s", om.fix(msg))
+		if matched != resp {
+			t.Errorf("OpenBSDMan expected %q; got %q (%q)", resp, matched, msg)
+		}
+	}
+}