@ <th1>
@ set versionlink ""
@ set urlfoundin [httpize $foundin]
@ set tagpattern {^[-0-9A-Za-z_\\.]+$}
@ if [regexp $tagpattern $foundin] {
@   query {SELECT count(*) AS match FROM tag
@          WHERE tagname=concat('sym-',$foundin)} {
@     if {$match} {set versionlink "/timeline?t=$urlfoundin"}
@     if {$match} {set versionlink "timeline?t=$urlfoundin"}
@   }
@ }
@ set hashpattern {^[0-9a-f]+$}
@ if [regexp $hashpattern $foundin] {
@   set pattern $foundin*
@   query {SELECT count(*) AS match FROM blob WHERE uuid GLOB $pattern} {
@     if {$match} {set versionlink "/info/$urlfoundin"}
@     if {$match} {set versionlink "info/$urlfoundin"}
@   }
@ }
@ if {$versionlink eq ""} {
@   puts $foundin
@ } else {
@   html "<a href=\""
@   puts $versionlink