func recovery() {
	recover()
}
recovery will silently swallow all unexpected panics.
package gtf
import (
	"fmt"
	htmlTemplate "html/template"
	"math"
	"math/rand"
	"net/url"
	"reflect"
	"regexp"
	"strings"
	textTemplate "text/template"
	"time"
)
var striptagsRegexp = regexp.MustCompile("<[^>]*?>")