Twenty Seventeen: Improve letter-spacing reset for non-latin alphabets.

This changeset resets `letter-spacing` for Persian and Urdu, and changes the related CSS selector to include any Persian locale.

Props amirrezatm, itpathsolutions, sabernhardt, mukesh27.
Fixes #56994.


git-svn-id: https://develop.svn.wordpress.org/trunk@54838 602fd350-edb4-49c9-b593-d223f7449a82

Author: audrasjb

src/wp-content/themes/twentyseventeen/style.css

@@ -597,11 +597,11 @@ html[lang="azb"] button,
 html[lang="azb"] input,
 html[lang="azb"] select,
 html[lang="azb"] textarea,
-html[lang="fa-IR"] body,
-html[lang="fa-IR"] button,
-html[lang="fa-IR"] input,
-html[lang="fa-IR"] select,
-html[lang="fa-IR"] textarea,
+html[lang^="fa-"] body,
+html[lang^="fa-"] button,
+html[lang^="fa-"] input,
+html[lang^="fa-"] select,
+html[lang^="fa-"] textarea,
 html[lang="haz"] body,
 html[lang="haz"] button,
 html[lang="haz"] input,
@@ -638,12 +638,12 @@ html[lang="azb"] h3,
 html[lang="azb"] h4,
 html[lang="azb"] h5,
 html[lang="azb"] h6,
-html[lang="fa-IR"] h1,
-html[lang="fa-IR"] h2,
-html[lang="fa-IR"] h3,
-html[lang="fa-IR"] h4,
-html[lang="fa-IR"] h5,
-html[lang="fa-IR"] h6,
+html[lang^="fa-"] h1,
+html[lang^="fa-"] h2,
+html[lang^="fa-"] h3,
+html[lang^="fa-"] h4,
+html[lang^="fa-"] h5,
+html[lang^="fa-"] h6,
 html[lang="haz"] h1,
 html[lang="haz"] h2,
 html[lang="haz"] h3,
@@ -897,8 +897,10 @@ html[lang="th"] textarea {
 html[lang="ar"] *,
 html[lang="ary"] *,
 html[lang="azb"] *,
+html[lang^="fa-"] *,
 html[lang="haz"] *,
 html[lang="ps"] *,
+html[lang="ur"] *,
 html[lang^="zh-"] *,
 html[lang="bg-BG"] *,
 html[lang="ru-RU"] *,