Small fixes

chapter4.tex

@@ -178,7 +178,7 @@ There are only two possibilities (\Fig{fig4-3}):
    container. This implies that we already had two gallons in the large
    container. Or\dots{}
 %!! line break? % enumerate suspend/resume?
-\item The nine gallon container was full, and we just poured off three gallons
+\item The nine-gallon container was full, and we just poured off three gallons
    into the small container.
 \end{enumerate}
 Which choice? Let's make a guess. The first choice requires a two-gallon
@@ -415,8 +415,8 @@ Here are the steps generally involved in designing a component:
    structure(s).
 \item Recognize auxiliary definitions.
 \item Determine what auxiliary definitions and techniques are already available.
-\item Describe the algorithm with pseudocode,
-\item Implement it by working backwards from existing definitions to the inputs,
+\item Describe the algorithm with pseudocode.
+\item Implement it by working backwards from existing definitions to the inputs.
 \item Implement any missing auxiliary definitions.
 \item If the lexicon contains many names with strong elements in common,
    design and code the commonalities as internal definitions, then implement
@@ -947,20 +947,17 @@ There are three approaches we could take:
 
 \begin{description}
 \item[Calculation]~
-
 \begin{Code}
 ( n)  1-  2*  10 +
 \end{Code}
-
+\medbreak
 \item[Data Structure]~
-
 \begin{Code}
 CREATE TABLE  10 C,  12 C,  14 C,
 ( n)  1- TABLE + C@
 \end{Code}
-
+\medbreak
 \item[Logic]~
-
 \begin{Code}
 ( n)  CASE
          1 OF 10 ENDOF