 strategy for &rsquo;port&rsquo; (which defaults
at program start-up to &rsquo;substitute).
</p>
<p>If CR-LF line endings are to be written when outputting the string,
the &rsquo;\r&rsquo; character (as well as the &rsquo;\n&rsquo; character) must be embedded in
the string.
</p>
<p>Unlike the other await-* procedures in this module,
await-glib-put-bytevector and await-glib-put-string will not call
&rsquo;await&rsquo; if all the contents of the bytevector/string can be written
immediately: instead, after wri