Some repeated "and and"s and "the the"s, and two more typos.

Closes PR 11229.

collects/2htdp/private/image-more.rkt

@@ -1003,7 +1003,7 @@
 
 ; excess : R+ R+ -> R
 ;  compute the Euclidean excess
-;  Note: If the excess is 0, the the C is 90 deg.
+;  Note: If the excess is 0, then C is 90 deg.
 ;        If the excess is negative, then C is obtuse.
 ;        If the excess is positive, then C is acuse.
 (define (excess a b c)

collects/meta/build/build

@@ -149,7 +149,7 @@ webscript="collects/meta/web/build.rkt"
 # sitemap materials
 sitemapdir="$scriptdir/sitemap"
 
-# platform-installer stuff, all relative the the racket tree
+# platform-installer stuff, all relative to the racket tree
 nsisdir="$scriptdir/nsis"
 unixinstallerdir="$scriptdir/unix-installer"
 unixpathcheckscript="$unixinstallerdir/check-install-paths"

collects/meta/web/stubs/git.rkt

@@ -2601,7 +2601,7 @@
        accept it.  On the other hand, if you're working with someone specific,
        they might prefer attachments (for example, it's easier to save the
        attached file from gmail).}}
-@~ Once the commits have been pushed the the main repository, you would get
+@~ Once the commits have been pushed to the main repository, you would get
    them when you pull to update.  The commits will now be different objects
    than the ones you have — since the information changed (at least the
    committer information will be different, the log message might have been

collects/mzlib/private/contract-arr-checks.rkt

@@ -161,7 +161,7 @@
     (raise-blame-error
      blame
      val
-     "expected a procedure that accepts ~a arguments and and arbitrarily more~a, given: ~e"
+     "expected a procedure that accepts ~a arguments and arbitrarily more~a, given: ~e"
      dom-length
      (keyword-error-text mandatory-kwds)
      val)))

collects/parser-tools/parser-tools.scrbl

@@ -140,7 +140,7 @@ are a few examples, using @scheme[:] prefixed SRE syntax:
 
 @item{@schemeblock0[(:: "/*" (:* (complement "*/")) "*/")]
 
- Matches any string that starts with @scheme["/*"] and and ends with
+ Matches any string that starts with @scheme["/*"] and ends with
  @scheme["*/"], including @scheme["/* */ */ */"].
  @scheme[(complement "*/")] matches any string except @scheme["*/"].
  This includes @scheme["*"] and @scheme["/"] separately.  Thus

collects/redex/private/compiler/match.rkt

@@ -1740,7 +1740,7 @@
   
   
   
-  ; if a one-rowed matrix is the the result, assume that the matching isn't over and just update the eqs
+  ; if a one-rowed matrix is the result, assume that the matching isn't over and just update the eqs
   #;((Build-Term-Let (eqs ...) (matrix (x_1 ...) (((p_1 ... -> r) eqs_2 ...)) (pvar_1 ...) (pvar_2 ...) natural bool))
      (matrix (x_1 ...) (((p_1 ... -> r) eqs ...)) (pvar_1 ...) (pvar_2 ...) natural bool))
   

collects/scribblings/framework/splash.scrbl

@@ -32,7 +32,7 @@ that number to control the gauge along the bottom of the splash screen.
   
   The @racket[draw-spec] determines what the splash window contains. 
   The @racket[splash-title] is used as the title of the window and the @racket[width-default] determines
-  how many progress steps the gauge in the the splash screen should
+  how many progress steps the gauge in the splash screen should
   contain if there is no preference saved for the splash screen width.
   The splash library uses @racket[get-preference] and @racket[put-preferences]
   to store preferences, using 

collects/scribblings/raco/make.scrbl

@@ -338,7 +338,7 @@ source in an namespace that iniitially imports @racketmodname[scheme].
 
 Outside of a module, top-level @racket[define-syntaxes],
 @racket[module], @racket[#%require],
-@racket[define-values-for-syntax], and and @racket[begin] expressions
+@racket[define-values-for-syntax], and @racket[begin] expressions
 are handled specially by @exec{raco make --no-deps}: the compile-time
 portion of the expression is evaluated, because it might affect later
 expressions.

collects/scribblings/reference/exns.scrbl

@@ -291,7 +291,7 @@ fails.}
 @defform[(with-handlers ([pred-expr handler-expr] ...)
            body ...+)]{
 
-Evaluates each @racket[pred-expr] and and @racket[handler-expr] in the
+Evaluates each @racket[pred-expr] and @racket[handler-expr] in the
 order that they are specified, and then evaluates the @racket[body]s
 with a new exception handler during the its dynamic extent.
 

collects/scribblings/reference/pairs.scrbl

@@ -979,7 +979,7 @@ instead, parts of @scheme[v] are copied as necessary to construct
 the resulting graph, where at most one copy is created for any given
 value.
 
-Since the copied vales can be immutable, and since the copy is also
+Since the copied values can be immutable, and since the copy is also
 immutable, @scheme[make-reader-graph] can create cycles involving only
 immutable pairs, vectors, boxes, and hash tables.
 

collects/scribblings/reference/unsafe.scrbl

@@ -71,7 +71,7 @@ the result is always a @tech{fixnum}. The @scheme[unsafe-fxlshift] and
 @scheme[unsafe-fxrshift] is a negative (i.e., right) shift, where the
 number of bits to shift must be less than the number of bits used to
 represent a @tech{fixnum}. In the case of @scheme[unsafe-fxlshift],
-bits in the result beyond the the number of bits used to represent a
+bits in the result beyond the number of bits used to represent a
 @tech{fixnum} are effectively replaced with a copy of the high bit.}
 
 

collects/syntax/scribblings/parse/debug.scrbl

@@ -40,7 +40,7 @@ the result is some internal representation of the failure.
          #:contracts ([stx-expr syntax?])]{
 
 Tries to match @scheme[stx-expr] against the @scheme[S-pattern]s. If
-matching succeeds, the the symbol @scheme['success] is
+matching succeeds, the symbol @scheme['success] is
 returned. Otherwise, an S-expression describing the failure is returned.
 
 The failure S-expression shows both the raw set of failures (unsorted)

collects/teachpack/2htdp/scribblings/universe.scrbl

@@ -378,12 +378,12 @@ All @tech{MouseEvent}s are represented via strings:
                integer? integer? (unsyntax @tech{MouseEvent}) 
                (unsyntax @tech{WorldState}))])]{
  tells DrRacket to call @scheme[mouse-expr] on the current world, the current
- @scheme[x] and @scheme[y] coordinates of the mouse, and and a
+ @scheme[x] and @scheme[y] coordinates of the mouse, and a
  @tech{MouseEvent} for every (noticeable) action of the mouse by the
  computer user. The result of the call becomes the current world. 
 
  For @scheme["leave"] and @scheme["enter"] events, the coordinates of the
- mouse click may be outside of the (implicitly) rectangle. That is, the
+ mouse click may be outside of the (implicit) rectangle. That is, the
  coordinates may be negative or larger than the (implicitly) specified
  width and height.
 

collects/teachpack/htdp/scribblings/world.scrbl

@@ -162,7 +162,7 @@ A @tech{KeyEvent} represents key board events, e.g., keys pressed or
 
 @defproc[(on-mouse-event [clack (-> (unsyntax @tech{World}) natural-number/c natural-number/c (unsyntax @tech{MouseEvent}) (unsyntax @tech{World}))]) true]{
    Tell DrRacket to call @scheme[clack] on the current world, the current
-   @scheme[x] and @scheme[y] coordinates of the mouse, and and a
+   @scheme[x] and @scheme[y] coordinates of the mouse, and a
    @tech{MouseEvent} for every action of the mouse by the user of the
    computer. The result of the call becomes the current world.}
 

collects/test-engine/test-info.scm

@@ -149,6 +149,6 @@
 			    arguments))
 		(result-arguments-list (property-fail-result fail)))]
      [(property-error? fail)
-      (print "check-property encountered the the following error\n:: ~a"
+      (print "check-property encountered the following error\n:: ~a"
 	     (property-error-message fail))])
     (print-string "\n")))

collects/tests/racket/object.rktl

@@ -708,7 +708,7 @@
 
 ;; ------------------------------------------------------------
 ;; ...-final  clauses.
-;; Internal calls to public-final and and pubment are direct,
+;; Internal calls to public-final and pubment are direct,
 ;;  but other calls must be indirect.
 
 (let ()

collects/web-server/scribblings/formlets.scrbl

@@ -139,7 +139,7 @@ to be @emph{syntactically} an @|xexpr|. You may discover you want to use a more
 
 @defform[(formlet* rendering-expr yields-expr)]{
  Constructs a @tech{formlet} where @racket[rendering-expr] is evaluated (with caveats) to construct the rendering
- and the processing result is the evaluation of the the @racket[yields-expr] expression.
+ and the processing result is the evaluation of the @racket[yields-expr] expression.
  The @racket[rendering-expr] should evaluate to an "@xexpr" that may embed the results of the following forms
  that only have meaning within @racket[formlet*]: