hoon: add ast for |$

|$ is being added as a mold builder rune. This change is ultimately part of
reclaiming +* for use as aliases on cores.

bin/brass.pill

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1825ad5db5c696f36b7333ca906401a505ecc3244ec19f5dcf80cf7857a79065
-size 11221938
+oid sha256:f47eba4eb6b41cd7c731111a3b2e8c3c807c279edfcf34a23cc8dc519de7d0be
+size 11381857

bin/ivory.pill

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:baf4d3f4c74ad190a3548232cf9caa40c1433cc29070136ceeeea5fa7b99a004
-size 6212767
+oid sha256:47b8b3c18ecafff9978a2bfe8f4eb0bbbb44794819e9302344a0cf86bfaf2292
+size 6358128

bin/solid.pill

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3595404052bad183ac0be94bf46deec4a14c16c7ed4fd8aa6159eb24ad21a8cb
-size 13839902
+oid sha256:dd5f69febbd14bfa1414d3091ffaec2a16cad7e0f37e86e67ff6904e663fb8a7
+size 14007370

pkg/arvo/sys/hoon.hoon

@@ -6654,6 +6654,7 @@
     {$yell p/(list hoon)}                               ::  render as tank
     {$xray p/manx:hoot}                                 ::  ;foo; templating
   ::                                            ::::::  cores
+    [%brbs sample=spec body=spec]
     {$brcb p/spec q/alas r/(map term tome)}             ::  |_
     {$brcl p/hoon q/hoon}                               ::  |:
     {$brcn p/(unit term) q/(map term tome)}             ::  |%
@@ -8630,6 +8631,7 @@
         {$yell *}  [%cncl [%limb %cain] [%zpbn [%cltr p.gen]] ~]
         {$note *}  q.gen
     ::
+        [%brbs *]  [%brtr sample.gen [%ktcl body.gen]]
         {$brcb *}  :+  %tsls  [%kttr p.gen]
                    :+  %brcn  ~
                    %-  ~(run by r.gen)