Fix universe signature tick-handler signature, 3rd form

jasonhemann · mfelleisen · commit b300f120d401 · 2025-05-05T09:20:10.000-05:00
The signature of 3rd form of tick-handler in universe was inconsistent with the rest of the documentation and program behavior.
diff --git a/htdp-doc/teachpack/2htdp/scribblings/universe.scrbl b/htdp-doc/teachpack/2htdp/scribblings/universe.scrbl
@@ -1344,7 +1344,7 @@ optional handlers:
 }
 
 @defform/none[#:literals (on-tick)
-              (on-tick tick-expr rate-expr)
+              (on-tick tick-expr rate-expr limit-expr)
               #:contracts
               ([tick-expr (-> (unsyntax @tech{UniverseState}) (or/c (unsyntax @tech{UniverseState}) bundle?))]
                [rate-expr (and/c real? positive?)]

Original file line number	Diff line number	Diff line change
`@@ -1344,7 +1344,7 @@ optional handlers:`
`1344`	`1344`	`}`
`1345`	`1345`
`1346`	`1346`	`@defform/none[#:literals (on-tick)`
`1347`		`- (on-tick tick-expr rate-expr)`
	`1347`	`+ (on-tick tick-expr rate-expr limit-expr)`
`1348`	`1348`	`#:contracts`
`1349`	`1349`	`([tick-expr (-> (unsyntax @tech{UniverseState}) (or/c (unsyntax @tech{UniverseState}) bundle?))]`
`1350`	`1350`	`[rate-expr (and/c real? positive?)]`