Added base64 codec docs

Doc/lib/libbinascii.tex

@@ -96,6 +96,18 @@ the converted line, including a newline char. The length of \var{data}
 should be at most 45.
 \end{funcdesc}
 
+\begin{funcdesc}{a2b_base64}{string}
+Convert a block of base64 data back to binary and return the
+binary data. More than one line may be passed at a time.
+\end{funcdesc}
+
+\begin{funcdesc}{b2a_base64}{data}
+Convert binary data to a line of ascii characters in base64 coding.
+The return value is the converted line, including a newline char.
+The length of \var{data} should be at most 57 to adhere to the base64
+standard.
+\end{funcdesc}
+
 \begin{funcdesc}{a2b_hqx}{string}
 Convert binhex4 formatted ascii data to binary, without doing
 rle-decompression. The string should contain a complete number of

Doc/libbinascii.tex

@@ -96,6 +96,18 @@ the converted line, including a newline char. The length of \var{data}
 should be at most 45.
 \end{funcdesc}
 
+\begin{funcdesc}{a2b_base64}{string}
+Convert a block of base64 data back to binary and return the
+binary data. More than one line may be passed at a time.
+\end{funcdesc}
+
+\begin{funcdesc}{b2a_base64}{data}
+Convert binary data to a line of ascii characters in base64 coding.
+The return value is the converted line, including a newline char.
+The length of \var{data} should be at most 57 to adhere to the base64
+standard.
+\end{funcdesc}
+
 \begin{funcdesc}{a2b_hqx}{string}
 Convert binhex4 formatted ascii data to binary, without doing
 rle-decompression. The string should contain a complete number of