Treat all whitespace lines as not having leading whitespace

Instead it's treated as all trailing whitespace, as it was originally.

spec/tokenized-buffer-spec.coffee

@@ -483,9 +483,9 @@ describe "TokenizedBuffer", ->
       expect(tokenizedBuffer.lineForScreenRow(5).tokens[3].hasLeadingWhitespace).toBe true
       expect(tokenizedBuffer.lineForScreenRow(5).tokens[4].hasLeadingWhitespace).toBe false
 
-      # Lines that are *only* whitespace are considered to have leading whitespace
+      # Lines that are *only* whitespace are not considered to have leading whitespace
       buffer.insert([10, 0], '  ')
-      expect(tokenizedBuffer.lineForScreenRow(10).tokens[0].hasLeadingWhitespace).toBe true
+      expect(tokenizedBuffer.lineForScreenRow(10).tokens[0].hasLeadingWhitespace).toBe false
 
     it "sets ::hasTrailingWhitespace to true on tokens that have trailing whitespace", ->
       buffer.insert([0, Infinity], '  ')

src/token.coffee

@@ -144,7 +144,7 @@ class Token
       leadingHtml = ''
       trailingHtml = ''
 
-      if @hasLeadingWhitespace and not @hasTrailingWhitespace and match = LeadingWhitespaceRegex.exec(@value)
+      if @hasLeadingWhitespace and match = LeadingWhitespaceRegex.exec(@value)
         classes = 'leading-whitespace'
         classes += ' indent-guide' if hasIndentGuide
         classes += ' invisible-character' if invisibles.space
@@ -156,7 +156,7 @@ class Token
 
       if @hasTrailingWhitespace and match = TrailingWhitespaceRegex.exec(@value)
         classes = 'trailing-whitespace'
-        classes += ' indent-guide' if hasIndentGuide and @hasLeadingWhitespace
+        classes += ' indent-guide' if hasIndentGuide and not @hasLeadingWhitespace
         classes += ' invisible-character' if invisibles.space
 
         match[0] = match[0].replace(CharacterRegex, invisibles.space) if invisibles.space

src/tokenized-line.coffee

@@ -119,7 +119,7 @@ class TokenizedLine
     outputTokens
 
   markLeadingAndTrailingWhitespaceTokens: ->
-    firstNonWhitespacePosition = @text.search(/\S|$/)
+    firstNonWhitespacePosition = @text.search(/\S/)
     firstTrailingWhitespacePosition = @text.search(/\s*$/)
     lineIsWhitespaceOnly = firstTrailingWhitespacePosition is 0
     position = 0