[Style] typo-level fixes etc

collects/scribblings/style/correct-maintain-speed.scrbl

@@ -12,6 +12,13 @@ adjectives is critical: correct is more important than maintainable;
 maintainable is more important than fast; and fast is important to include,
 because nobody wants to live with slow programs.
 
+@margin-note{This ordering is occasionally wrong. For example, we could
+ avoid IEEE floating point numbers nearly all of the time. To make this
+ precise, the @scheme[sqrt] function could return a rational number whose
+ value was the same as the IEEE float result.  We don't do such silly
+ things, however, because we have decided to value speed over precision in
+ this context.}
+
 Code is correct.
 
 Code is maintainable.
@@ -97,10 +104,16 @@ In order to document code, refer to the
  @tt{for-label} @tt{require}s and make use of other useful
  cross-references.
 
-Code comprehension also requires adherence to basic elements of style and
+Without adherence to basic elements of style and some internal
- some internal documentation. The rest of this document is mostly about
+ documentation, code comprehension becomes impossible. The rest of this
- these elements of style, including some suggestions on internal
+ document is mostly about these elements of style, including some
- documentation.
+ suggestions on internal documentation.
+
+Having said that, the production of a system like Racket occasionally
+ requires experimentation and experimental code. Once we understand this
+ new pieces of functionality, though, it is imperative to return and
+ improve maintainability and work on correctness. You may even consider
+ converting to Typed Racket eventually.
 
 @; -----------------------------------------------------------------------------
 @section{Speed}
@@ -138,6 +151,10 @@ Stress tests don't normally have an expected output, so they never
 And as you read on, keep in mind that we are not perfectionists. We produce
  reasonable software.
 
-@nested[#:style 'inset]{When you fix a bug, make sure to commit (1) the
+@section{Commit}
- code delta, (2) the new test case, and (3) the revised docs (if
+
- applicable) in one batch.}
+So what is the major lesson of this section? When you fix a bug, make sure
+ to commit (1) the code delta, (2) the new test case, and (3) the revised
+ docs (if applicable) in one batch. If the creation of a single commit is
+ to complex, please push all pieces at once so that the readers can see how
+ things belong together.

collects/scribblings/style/style.scrbl

@@ -31,13 +31,13 @@ Many pieces of the code base don't live up to our suggestions yet.  Here
  unintended effects.  In the past Eli has done a great job catching
  problems; now everyone is asked to do so.
 
-Also, help us improve the existing files. If you need to edit and
+Also, help us improve the existing files. If you need to edit an imperfect
- understand an imperfect file, take the time to fix some of it as soon as
+ file, you will need to spend some time understanding its workings. If
- comprehending the file takes longer than a few minutes. After all, if
+ doing so takes quite a while, please take the time to fix portions of the
- the inconsistencies throw you off for that much time, others are likely
+ file. After all, if the inconsistencies throw you off for that much time,
- to have the same problems. If you help fixing it, we reduce future
+ others are likely to have the same problems. If you help fixing it, we
- maintenance time. In other words, whoever touches the file next will be
+ reduce future maintenance time. In other words, whoever touches the file
- grateful to you.
+ next will be grateful to you.
 
 @bold{Request} This document isn't complete and it isn't perfect. In other
  words, it is also a call for improvements and suggestions.  If you have