fraction unit "fr" is required also for 0 values.

volker · volker · commit e4072bea28f4 · 2025-07-25T15:17:36.000+02:00
diff --git a/src/com/inet/lib/less/CompressCssFormatter.java b/src/com/inet/lib/less/CompressCssFormatter.java
@@ -113,6 +113,7 @@ public CssFormatter appendValue( double value, String unit ) {
             switch( unit ) {
                 case "deg":
                 case "s":
+                case "fr":
                     break;
                 default:
                     super.append( '0' );
diff --git a/test/com/inet/lib/less/samples/less_org_tests/less/compression/compression.css b/test/com/inet/lib/less/samples/less_org_tests/less/compression/compression.css
diff --git a/test/com/inet/lib/less/samples/less_org_tests/less/compression/compression.less b/test/com/inet/lib/less/samples/less_org_tests/less/compression/compression.less
@@ -19,6 +19,7 @@ dimensions {
   angles-must-have-unit: 0deg;
   durations-must-have-unit: 0s;
   length-doesnt-have-unit: 0px;
+  fractions-must-have-unit: 0fr;
   width: auto\9;
 }
 @page  {
