Ausgabereihenfolge von Platzhaltern bei Sass

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.3)
// Compass (v1.0.0.alpha.18)
// ----


// ------- Links -----------------------------
%a-tdn-tdu{
	text-decoration: none;
	&:hover, &:focus {text-decoration: underline;}
}

%a-tdu-tdn{
	text-decoration: underline;
	&:hover, &:focus {text-decoration: none;}
}

@import "compass/reset";

a {@extend %a-tdn-tdu;}

SassMeister-output.css

a {
  text-decoration: none;
}
a:hover, a:focus {
  text-decoration: underline;
}

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  font-size: 100%;
  vertical-align: baseline;
}

html {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption, th, td {
  text-align: left;
  font-weight: normal;
  vertical-align: middle;
}

q, blockquote {
  quotes: none;
}
q:before, q:after, blockquote:before, blockquote:after {
  content: "";
  content: none;
}

a img {
  border: none;
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
  display: block;
}

Normalerweise werden Platzhalter über einen Import in das Sassfile gezogen. Die Position dieses Imports in Relation zu den anderen bestimmt die spätere Ausgabeposition im resultierenden CSS. Das kann ungewünscht sein. Schliesslich kann die Kaskade zuschlagen.