Add css-text-4.vim

See also: http://www.w3.org/TR/2015/WD-css-text-4-20150922/

test/test.css

@@ -494,7 +494,7 @@
   display: reduced;
 }
 
-.text {
+.text-3 {
   hyphens: manual;
   line-break: loose;
   overflow-wrap: strict;
@@ -504,6 +504,31 @@
   display: full-width;
 }
 
+.text-4 {
+  text-space-collapse: preserve-auto;
+  text-space-trim: preserve-trim;
+  text-wrap: preserve-breaks;
+  wrap-before: preserve-spaces;
+  wrap-after: trim-inner;
+  wrap-inside: discard-before;
+  hyphenate-character: discard-after;
+  hyphenate-limit-zone: avoid-line;
+  hyphenate-limit-chars: avoid-flex;
+  hyphenate-limit-lines: pre-wrap-auto;
+  hyphenate-limit-last: no-limit;
+  text-spacing: spread;
+  display: trim-start;
+  display: space-start;
+  display: trim-end;
+  display: space-end;
+  display: trim-adjacent;
+  display: space-adjacent;
+  display: no-compress;
+  display: ideograph-alpha;
+  display: ideograph-numeric;
+  display: punctuation;
+}
+
 .text-decor-3 {
   text-decoration-color: filled;
   text-decoration-line: dot;