If you ever wrote a large shell script, you probably know this
feeling: you'd love to add yet another feature, but it's already so
slow, and so big, and so complicated; or the feature involves a system
-call or other function that is only accessible from C \ldots Usually
+call or other function that is only accessible from C\ldots\ Usually
the problem at hand isn't serious enough to warrant rewriting the
script in C; perhaps the problem requires variable-length strings or
other data types (like sorted lists of file names) that are easy in
the hash, or pound, character, \character{\#}, is used to start a
comment in Python.
-The script can be given a executable mode, or permission, using the
+The script can be given an executable mode, or permission, using the
\program{chmod} command:
\begin{verbatim}
Unicode has the advantage of providing one ordinal for every character
in every script used in modern and ancient texts. Previously, there
-were only 256 possible ordinals for script characters and texts were
+were only 256 possible ordinals for script characters. Texts were
typically bound to a code page which mapped the ordinals to script
characters. This lead to very much confusion especially with respect
to internationalization (usually written as \samp{i18n} ---
u'Hello World !'
\end{verbatim}
-The small \character{u} in front of the quote indicates that an
+The small \character{u} in front of the quote indicates that a
Unicode string is supposed to be created. If you want to include
special characters in the string, you can do so by using the Python
\emph{Unicode-Escape} encoding. The following example shows how:
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