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POStoring and recalling variable number of text strings in LaTeX
 

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    <p>I'm currently writing an API document in LaTeX. I have a tabular environment with a list of error codes and descriptions, like so:</p> <pre><code>\begin{tabular}{|c|l|} \hline \textbf{Code} &amp; \textbf{Description} \\ \hline 1 &amp; (description of error 1) \\ \hline 2 &amp; (description of error 2) \\ \hline \end{tabular} </code></pre> <p>At various places later in the document, I reference an error's code and its description together, like so:</p> <pre><code>Possible error conditions: \begin{itemize} \item 1---(description of error 1) \end{itemize} </code></pre> <p>I want to automate this process so I don't have to retype the descriptions every time. I have tried using a counter, labels, and the \savebox command, but it's pretty cumbersome:</p> <pre><code>\newcounter{error} % Inside the tabular environment: \newsavebox{\ErrorOne} \savebox{\ErrorOne}{(description of error 1)} \refstepcounter{error} \label{ErrorOne} \arabic{error} &amp; \usebox{\ErrorOne} \\ \hline </code></pre> <p>and later, to reference the error,</p> <pre><code>\ref{ErrorOne}---\usebox{\ErrorOne} </code></pre> <p>I particularly object to having to use ErrorOne for the labels but \ErrorOne (with the leading backslash) for the saveboxes. I also don't really want names like ErrorOne, since I might need to change the order at some point. What I want is to be able to define a few commands:</p> <pre><code>\newerror{errorlabel}{Description} % defines the error (doesn't output anything) \errorcode{errorlabel} % outputs the error code \errordesc{errorlabel} % outputs the error description </code></pre> <p>and then be able to say something like</p> <pre><code>\newerror{ArgumentError}{Too many arguments} \newerror{DatabaseError}{Could not connect to database} % Inside the tabular environment: \errorcode{ArgumentError} &amp; \errordesc{ArgumentError} \\ \hline \errorcode{DatabaseError} &amp; \errordesc{DatabaseError} \\ \hline % Later on: \errorcode{DatabaseError}---\errordesc{DatabaseError} </code></pre> <p>with the error codes (1, 2, 3, ...) being automatically generated like labels would be.</p> <p>Any ideas?</p>
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