Zero width space is valid for Khmer

weblate/trans/autofixes/chars.py

@@ -43,6 +43,8 @@ class RemoveZeroSpace(AutoFix):
     name = _('Zero-width space')
 
     def fix_single_target(self, target, source, unit):
+        if unit.translation.language.code.split('_')[0] == 'km':
+            return target, False
         if u'\u200b' not in source and u'\u200b' in target:
             return target.replace(u'\u200b', ''), True
         return target, False

weblate/trans/checks/chars.py

@@ -307,4 +307,6 @@ class ZeroWidthSpaceCheck(TargetCheck):
     description = _('Translation contains extra zero-width space character')
 
     def check_single(self, source, target, unit, cache_slot):
+        if self.is_language(unit, ('km', )):
+            return False
         return (u'\u200b' in target) != (u'\u200b' in source)