various updates

[pintos-anon] / sigcse2009 / principles.tex

diff --git a/sigcse2009/principles.tex b/sigcse2009/principles.tex
index 221fb438fe8cea31663712e3639c4774ec14d7dc..9b015be34ca42462ed0f441a7a0a250e6fdf2ec0 100644 (file)
--- a/sigcse2009/principles.tex
+++ b/sigcse2009/principles.tex
@@ -18,8 +18,7 @@ by example, the coding style we expect from students.
 %This style includes purely syntactical convention such as the choice of the
 %GNU indentation style, and extends to commenting style and naming conventions.
 We continuously refined the internal code documentation over several
-semesters, focusing on those 
-portions that initially proved difficult to understand or confusing.
+semesters, focusing on those portions that initially proved difficult to understand. 
 
 \paragraph{Maximize Creative Freedom}
 OS design involves a tremendous amount of creative freedom, both in the
@@ -30,8 +29,8 @@ own data structures and associated algorithms as much as possible.
 
 \paragraph{Practice Test-driven Development}
 %Test-driven development~\cite{Edwards}
-Each project includes a large number of test cases that is accessible
-to students, as shown in  Table~\ref{table:tests}.  
+Each project includes a large number of test cases that are accessible
+to students, as shown in Table~\ref{table:tests}.
 They must implement the API that is exercised by these test cases.  
 Students are encouraged to add their own test cases.
 
@@ -56,8 +55,9 @@ As a result, Pintos kernels can be debugged in a manner that
 is substantially similar to how user programs are being debugged.
 
 \paragraph{Include Analysis Tools}
-Static and dynamic analysis tools are now being widely used; an OS course should
-be no exception.  In Section~\ref{sec:dynamicanalysis}, we describe how we 
+Dynamic analysis tools are now being widely used in software development; 
+an OS course should be no exception.  
+In Section~\ref{sec:dynamicanalysis}, we describe how we 
 extended the QEMU emulator~\cite{Bellard2005QEMU} to 
 perform tailored analyses that find errors such as race conditions.