tex: proper listing alignment

tex/text.tex

@@ -683,6 +683,7 @@ label=gitverif, basicstyle=\linespread{0.9}\footnotesize\ttfamily]
     % # alternatively:
     % git verify-commit <commit>
 \end{lstlisting}
+\vspace*{-\baselineskip}
 
 There is one caveat to this though, git first needs some additional
 configuration for the code in Listing~\ref{gitverif} to work as one would
@@ -707,6 +708,7 @@ label=gitsshprep, basicstyle=\linespread{0.9}\footnotesize\ttfamily]
 % # set the allowed signers file path for the local repository.
 % git config --local gpg.ssh.allowedsignersfile=./tmp/.allowed_signers
 \end{lstlisting}
+\vspace*{-\baselineskip}
 
 After the code in Listing~\ref{gitsshprep} is run, everything from the
 Listing~\ref{gitverif} should remain applicable for the lifetime of the
@@ -1051,6 +1053,7 @@ let Schema =
       }
   }
 \end{lstlisting}
+\vspace*{-\baselineskip}
 
 The main configuration is comprised of both raw attributes and child records,
 which allow for grouping of related functionality. For instance, configuration
@@ -1369,6 +1372,7 @@ label=breachDataGoSchema]
         Data              any
     }
 \end{lstlisting}
+\vspace*{-\baselineskip}
 
 The Go representation shown in Listing~\ref{breachDataGoSchema} will in
 actuality be written and supplied by the user of the program as a YAML
@@ -1380,7 +1384,7 @@ machine readability. That should allow for documents similar to what can be
 seen in Listing~\ref{breachDataYAMLSchema} to be ingested by the program,
 read and written by humans and programs alike.
 
-\vspace{\parskip}
+\smallskip
 \begin{lstlisting}[language=YAML, caption={Example Breach Data Schema supplied
 to the program as a YAML file, optionally containing multiple documents},
 label=breachDataYAMLSchema]
@@ -1408,6 +1412,7 @@ label=breachDataYAMLSchema]
     name: Horrible breach 2
     ...
 \end{lstlisting}
+\vspace*{-\baselineskip}
 
 Notice how the emails list in Listing~\ref{breachDataYAMLSchema} misses one
 record, perhaps because it was not supplied or mistakenly omitted. This is a
@@ -1623,9 +1628,10 @@ declared here to give a sense of grouping. The error value returned from this
 function is again checked and if everything goes well, the value of the
 \texttt{usernameFound} boolean is checked next.
 
+\smallskip
 \smallskip
 \begin{lstlisting}[language=Go, caption={Example integration test.},
-label=integrationtest,basicstyle=\linespread{0.8}\footnotesize\ttfamily]
+label=integrationtest,basicstyle=\linespread{0.9}\scriptsize\ttfamily]
 // modules/user/user_test.go
 package user