This is especially necessary in code samples,
to get a nicely rendered caret when rendering to PDF.
.PP
-Using a naked "\(ti" character results in a poor rendering in PDF.
-Instead use "\\(ti".
+Using a naked "\[ti]" character results in a poor rendering in PDF.
+Instead use "\\[ti]".
This is especially necessary in code samples,
to get a nicely rendered tilde when rendering to PDF.
.\"