vchan

``` //处理 YYText 文本包含连续空格字符时，宽高计算错误的bug NSMutableString *text = content.text.mutableCopy; __block NSInteger flag = 0;//0未开始 1开始 __block NSRange range = NSMakeRange(0, 0); [text enumerateSubstringsInRange:NSMakeRange(0, text.length) options:NSStringEnumerationByComposedCharacterSequences usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange,...