From b0352ee51359d366a9cb8e51dbab0105c15c9cbd Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mb@mbtype.com>
Date: Sun, 28 Oct 2018 13:20:59 -0700
Subject: [PATCH] space

---
 txexpr/check.rkt                |  4 ++--
 txexpr/scribblings/txexpr.scrbl | 16 ++++++++--------
 txexpr/test/tests.rkt           | 12 ++++++------
 3 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/txexpr/check.rkt b/txexpr/check.rkt
index 1f62ee5..e0b5ea2 100644
--- a/txexpr/check.rkt
+++ b/txexpr/check.rkt
@@ -10,8 +10,8 @@
   ;; so the whole attr is converted into a single string for sorting, which lets the attr value act as a tiebreaker.
   ;; it doesn't matter that this sort may not be correct (in the sense of a desirable ordering)
   ;; it just needs to be stable (e.g., a certain set of attrs will always sort the same way)
-  (letrec ([stringify-attr (λ(attr) (string-append (symbol->string (car attr)) (cadr attr)))]
-           [sort-attrs (λ(x)
+  (letrec ([stringify-attr (λ (attr) (string-append (symbol->string (car attr)) (cadr attr)))]
+           [sort-attrs (λ (x)
                          (if (txexpr? x)
                              (let-values ([(tag attr elements) (txexpr->values x)])
                                (txexpr tag (sort attr #:key stringify-attr #:cache-keys? #t string<?) (map sort-attrs elements)))
diff --git a/txexpr/scribblings/txexpr.scrbl b/txexpr/scribblings/txexpr.scrbl
index ab8ee61..e1ae72a 100644
--- a/txexpr/scribblings/txexpr.scrbl
+++ b/txexpr/scribblings/txexpr.scrbl
@@ -437,7 +437,7 @@ Recursively apply @racket[_proc] to all elements, leaving tags and attributes al
 
 @examples[#:eval my-eval
 (define tx '(div "Hello!" (p "Welcome to" (strong "Mars"))))
-(define upcaser (λ(x) (if (string? x) (string-upcase x) x)))
+(define upcaser (λ (x) (if (string? x) (string-upcase x) x)))
 (map upcaser tx)
 (map-elements upcaser tx)
 ]
@@ -447,7 +447,7 @@ In practice, most @racket[_txexpr-element]s are strings. But it's unwise to pass
 @examples[#:eval my-eval
 (define tx '(p "Welcome to" (strong "Mars" amp "Sons")))
 (map-elements string-upcase tx)
-(define upcaser (λ(x) (if (string? x) (string-upcase x) x)))
+(define upcaser (λ (x) (if (string? x) (string-upcase x) x)))
 (map-elements upcaser tx)
 ]
 
@@ -456,13 +456,13 @@ In practice, most @racket[_txexpr-element]s are strings. But it's unwise to pass
 (splitf-txexpr
 [tx txexpr?]
 [pred procedure?]
-[replace-proc procedure? (λ(x) null)])
+[replace-proc procedure? (λ (x) null)])
 (values txexpr? (listof txexpr-element?))]
 Recursively descend through @racket[_txexpr] and extract all elements that match @racket[_pred]. Returns two values: a @racket[_txexpr] with the matching elements removed, and the list of matching elements. Sort of esoteric, but I've needed it more than once, so here it is.
 
 @examples[#:eval my-eval
 (define tx '(div "Wonderful day" (meta "weather" "good") "for a walk"))
-(define is-meta? (λ(x) (and (txexpr? x) (equal? 'meta (get-tag x)))))
+(define is-meta? (λ (x) (and (txexpr? x) (equal? 'meta (get-tag x)))))
 (splitf-txexpr tx is-meta?)
 ]
 
@@ -470,8 +470,8 @@ Ordinarily, the result of the split operation is to remove the elements that mat
 
 @examples[#:eval my-eval
 (define tx '(div "Wonderful day" (meta "weather" "good") "for a walk"))
-(define is-meta? (λ(x) (and (txexpr? x) (equal? 'meta (get-tag x)))))
-(define replace-meta (λ(x) '(em "meta was here")))
+(define is-meta? (λ (x) (and (txexpr? x) (equal? 'meta (get-tag x)))))
+(define replace-meta (λ (x) '(em "meta was here")))
 (splitf-txexpr tx is-meta? replace-meta)
 ]
 
@@ -496,10 +496,10 @@ Like @racket[splitf-txexpr], but only retrieve the elements that match @racket[_
 @examples[#:eval my-eval
 (define tx '(div "Wonderful day" (meta "weather" "good")
                  "for a walk" (meta "dog" "Roxy")))
-(define is-meta? (λ(x) (and (txexpr? x) (eq? 'meta (get-tag x)))))
+(define is-meta? (λ (x) (and (txexpr? x) (eq? 'meta (get-tag x)))))
 (findf*-txexpr tx is-meta?)
 (findf-txexpr tx is-meta?)
-(define is-zimzam? (λ(x) (and (txexpr? x) (eq? 'zimzam (get-tag x)))))
+(define is-zimzam? (λ (x) (and (txexpr? x) (eq? 'zimzam (get-tag x)))))
 (findf*-txexpr tx is-zimzam?)
 (findf-txexpr tx is-zimzam?)
 ]
diff --git a/txexpr/test/tests.rkt b/txexpr/test/tests.rkt
index b5f61b7..c6a2b31 100644
--- a/txexpr/test/tests.rkt
+++ b/txexpr/test/tests.rkt
@@ -189,7 +189,7 @@
  (check-txexprs-equal? (remove-attrs '(p ((foo "bar")) "hi" (p ((foo "bar")) "hi"))) '(p "hi" (p "hi")))
  
  
- (check-txexprs-equal? (map-elements (λ(x) (if (string? x) "boing" x))  
+ (check-txexprs-equal? (map-elements (λ (x) (if (string? x) "boing" x))  
                                      '(p ((id "zam")) "foo" "bar" (em "square"))) 
                        '(p ((id "zam")) "boing" "boing" (em "boing")))
  
@@ -201,15 +201,15 @@
  
  (define split-this-tx '(root (meta "foo" "bar") "hello" "world" (meta "foo2" "bar2") 
                               (em "goodnight" "moon" (meta "foo3" "bar3"))))
- (define split-predicate (λ(x) (and (txexpr? x) (eq? 'meta (get-tag x)))))
- (check-txexprs-equal? (call-with-values (λ() (splitf-txexpr split-this-tx split-predicate)) list) 
+ (define split-predicate (λ (x) (and (txexpr? x) (eq? 'meta (get-tag x)))))
+ (check-txexprs-equal? (call-with-values (λ () (splitf-txexpr split-this-tx split-predicate)) list) 
                        (list '(root "hello" "world" (em "goodnight" "moon")) '((meta "foo" "bar") (meta "foo2" "bar2") (meta "foo3" "bar3"))))
  
- (define split-proc (λ(x) '(div "foo")))
- (check-txexprs-equal? (call-with-values (λ() (splitf-txexpr split-this-tx split-predicate split-proc)) list) 
+ (define split-proc (λ (x) '(div "foo")))
+ (check-txexprs-equal? (call-with-values (λ () (splitf-txexpr split-this-tx split-predicate split-proc)) list) 
                        (list '(root (div "foo") "hello" "world" (div "foo") (em "goodnight" "moon" (div "foo"))) '((meta "foo" "bar") (meta "foo2" "bar2") (meta "foo3" "bar3"))))
  
- (define false-pred (λ(x) (and (txexpr? x) (eq? 'nonexistent-tag (get-tag x)))))
+ (define false-pred (λ (x) (and (txexpr? x) (eq? 'nonexistent-tag (get-tag x)))))
  (check-equal? (findf*-txexpr split-this-tx split-predicate) '((meta "foo" "bar") (meta "foo2" "bar2") (meta "foo3" "bar3")))
  (check-false (findf*-txexpr split-this-tx false-pred))
  (check-equal? (findf-txexpr split-this-tx split-predicate) '(meta "foo" "bar"))