Node:$UNSTRING, Next:$VERBATIM, Previous:$UNQUOTE, Up:Built-in functions
$UNSTRING
: Convert string into characters$UNSTRING(string)
removes quotes from the string, if they are
present, and treats the result as a collection of characters. No
tokenization is done, so macro expansion does not operate on those
characters.
For a more detailed discussion and a comparison with $UNQUOTE
(see $UNQUOTE), see Strings and quotes.