Historique de linear-gradient

MàJ vs. rév. en-US 1106157

touch typo en-US + linting

linting already done

Applying changes (content + tags) for bug 1274762

{{xref_csspercentage}} replaced with {{cssxref("<percentage>")}}

{{xref_csspercentage}} replaced with {{cssxref("<percentage>")}}

Changed {{ xref_cssimage() }} => {{cssxref("<image>")}}, {{ xref_csslength() }} => {{cssxref("<lengh>")}} and {{ xref_cssnumber() }} => {{cssxref("<number>")}}