Change to use upload-artifact@4

Author: lerno

.github/workflows/build.yml

@@ -83,7 +83,7 @@ jobs:
       # Collect Tests Result of failed tests
       - name: Collect Tests Result
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: tests-result
           path: ${{ github.workspace }}/build/reports/tests
@@ -130,7 +130,7 @@ jobs:
 
       # Store already-built plugin as an artifact for downloading
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ steps.artifact.outputs.filename }}
           path: ./build/distributions/content/*/*

src/main/java/org/c3lang/intellij/C3ElementColorProvider.kt

@@ -25,9 +25,12 @@ class C3ElementColorProvider : ElementColorProvider
 
     override fun setColorTo(element: PsiElement, color: Color)
     {
+        // This workaround is due to https://youtrack.jetbrains.com/issue/IDEA-331607/JavaColorProvider-issues
+        // remove when element actually always is the last element!
         if (lastElement == null || element.parent.parent != null) {
             lastElement = element
         }
+        // Try to retain the original formatting (uppercase or lowercase hex)
         val upper = element.text.contains(Regex("[A-F]"))
         val str = if (element.text.length == 8) {
             String.format(if (upper) "0x%02X%02X%02X" else "0x%02x%02x%02x", color.red, color.green, color.blue)