Remove instances of 'can not'

Author: marijnh

01_values.md

@@ -14,7 +14,7 @@ quote}}
 {{index "Yuan-Ma", "Book of Programming", "binary data", data, bit, memory}}
 
 Inside the computer's world, there is only data. You can read data,
-modify data, create new data—but that which isn't data can not be
+modify data, create new data—but that which isn't data cannot be
 mentioned. All this data is stored as long sequences of bits and is
 thus fundamentally alike.
 

02_program_structure.md

@@ -188,7 +188,7 @@ in this book because it has some confusing properties.
 {{index "const keyword", naming}}
 
 The word `const` stands for _((constant))_. It defines a constant
-binding, which can not be made to point at a new thing. This is useful
+binding, which cannot be made to point at a new thing. This is useful
 for bindings that give a name to a value so that you can easily refer
 to them later, but which are not going to ever change.
 

03_functions.md

@@ -125,7 +125,7 @@ what's going on in the global environment.
 
 Bindings declared with `let` and `const` are in fact local to the
 _((block))_ that they are declared in, so if you create one of those
-inside of a loop, the code before and after the loop can not "see" it.
+inside of a loop, the code before and after the loop cannot "see" it.
 In pre-2015 JavaScript, only functions created new scopes, so
 old-style bindings, created with the `var` keyword, are visible
 throughout the whole function that they appear in—or throughout the

07_robot.md

@@ -500,7 +500,7 @@ Our code doesn't handle the situation where there are no more work
 items on the work list, because we know that our graph is _connected_,
 meaning that every location can be reached from all other locations.
 We'll always be able to find a route between two points, and the
-search can not fail.
+search can't fail.
 
 ```{includeCode: true}
 function goalOrientedRobot({place, parcels}, route) {

18_http.md

@@ -271,7 +271,7 @@ return the same value.
 Note that the promise returned by `fetch` resolves successfully even
 if the server responded with an error code. It _might_ also be
 rejected, if there is a network error or the ((server)) that the
-request is addressed to can not be found.
+request is addressed to can't be found.
 
 {{index [path, URL], "relative URL"}}