Unique Issue and Resolution During Web Development
While working on web development, we encountered an unusual issue where the same code would not work correctly on different computers. The code in question was merely three lines long, making it easily analyzable. However, it worked properly on one computer but not on the other.
In an attempt to identify the problem, we discovered that one of the attribute values in the code was enclosed by an apostrophe (‘) instead of a single quote ('). (e.g., 'aa' → ‘aa') We presumed that this occurred automatically when the file was transferred between computers. All other attributes in the code were correctly enclosed with single quotes.
What was odd is that changing the apostrophe to a single quote resulted in an error, even though the opposite should cause an error in most cases. This confusing problem made finding a solution rather difficult.
Upon searching the internet, we found that some sources treated apostrophes and single quotes as the same character. Similarly, ASCII code considered them equal. However, Unicode treats them as distinct characters(Unicode Apostrophe).
Suddenly, it occurred to us that the character set might vary depending on the document editor used. Fortunately, once we matched both computers' character sets to UTF-8, the issue was resolved. However, the reason why only one particular attribute operated with an apostrophe remains an unsolved mystery.
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