added tests for line comments with blocks

Author: drecouse

tests/linecommentfor/.gitignore

@@ -0,0 +1,4 @@
+# generated by tytanic, do not edit
+
+diff/**
+out/**

tests/linecommentfor/ref/1.png

@@ -0,0 +1,12 @@
+#import "../../algorithmic.typ"
+#import algorithmic: *
+#set page(margin: (left: .1cm, top: .1cm, bottom: .1cm), width: 11cm, height: auto)
+#algorithm({
+  import algorithmic: *
+  LineComment(For($i <= 10$, {
+    Line($1+1$)
+    LineComment(While($j <= 10$, {
+      Assign[$x$][1]
+    }), "This is inside a nested block")
+  }), "This is a line comment after a block")
+})