Fix in maintaining leading spaces (+added test) (proycon/folia#88)

folia/main.py

@@ -1446,7 +1446,7 @@ def text(self, cls='current', retaintokenisation=False, previousdelimiter="",str
                             if j > 0 and s2 and len(s) != l:
                                 #insert spaces between lines that used to be newline separated
                                 s += " "
-                            elif j == 0 and s2 and line and line[0] in " \t" and not self.preservespace:
+                            elif s2 and line and line[0] in " \t" and not self.preservespace:
                                 #we have leading indentation we may need to collapse or ignore entirely
                                 #we can't be sure yet what to do so we add a temporary placeholder \0
                                 #this will later be handled in postprocess_spaces() (converts to a space only if no space preceeds it)

folia/tests/maintest.py

@@ -4504,6 +4504,9 @@ def test013_nospace_feat(self):
         """Whitespace - No space despite t-hbr, markup and features"""
         self.assertEqual( self.doc['test.p.13'].text() , "Es entspricht einerseits nicht den Erwartungen derjenigen, welche in betreff der Lage der Landarbeiter nur solche" )
 
+    def test014_leadingspace(self):
+        """Whitespace - Maintain leading space"""
+        self.assertEqual( self.doc['test.p.14'].text() , "Terwijl hij den gemiddelden prijs van een karaat geslepen op £ 8 stelde, den prijs van een steen van 2 karaat op 22 X 8 = £ 32" )
 
 with open(os.path.join(FOLIAPATH, 'examples/full-legacy.1.5.folia.xml'), 'r',encoding='utf-8') as foliaexample_f:
     LEGACYEXAMPLE = foliaexample_f.read()