fix another formatter bug

src/format.rs

@@ -1178,7 +1178,7 @@ impl<'a> Formatter<'a> {
  self.config.multiline_indent * depth
  };
  for (i, line) in lines.iter().enumerate() {
- if i > 0 || prevent_compact || (!compact && allow_leading_space) {
+ if i > 0 || (prevent_compact && depth > 0) || (!compact && allow_leading_space) {
  self.output.push('\n');
  if !line.is_empty() {
  for _ in 0..indent {
@@ -1188,10 +1188,11 @@ impl<'a> Formatter<'a> {
  }
  self.format_words(line, true, depth, true);
  }
- if !compact && !lines.iter().last().is_some_and(|line| line.is_empty()) {
- self.output.push('\n');
- }
+
  if !compact {
+ if depth > 0 && !lines.iter().last().is_some_and(|line| line.is_empty()) {
+ self.output.push('\n');
+ }
  for _ in 0..self.config.multiline_indent * depth.saturating_sub(1) {
  self.output.push(' ');
  }

tests/loops.ua

@@ -30,7 +30,8 @@ A ← ↯2_3_4⇡24
  {{{8 9} 10} 11}]
  [{{{12 13} 14} 15}
  {{{16 17} 18} 19}
- {{{20 21} 22} 23}]]
+ {{{20 21} 22} 23}]
+]
 
 # Reduce fills
 ⍤⟜≍: ¯∞ /↥ []

tests/units.ua

@@ -447,9 +447,7 @@ X ← |0
 G ↚ +1
 F ← G
 
-
 # Constant vs Noadic function
-
 F ← ⚂
 G ← (⚂)