@page @node Deprecated @chapter Deprecated The features and functions described in this chapter are considered obsolete and should not be used by new programs. They're retained for compatibility with past versions of Guile. @deffn {Scheme Procedure} substring-move-left! str1 start1 end1 str2 start2 @deffnx {Scheme Procedure} substring-move-right! str1 start1 end1 str2 start2 These functions are aliases for @code{substring-move!} and calls to them can simply be replaced by @code{substring-move!} (@pxref{String Modification}.) In the past, if @var{str1} and @var{str2} were the same string, it was necessary to call @code{substring-move-left!} if the move was to the left (@math{@var{start2} < @var{start1}}), or call @code{substring-move-right!} if the move was to the right (@math{@var{start2} > @var{start1}}). @code{substring-move!} is now able to do both. @end deffn