One of the fun things about the Unicode bidi algorithm is that it flips brackets. You always use ( as an open round bracket, but if your script is rtl it appear

One of the fun things about the Unicode bidi algorithm is that it flips brackets. You always use ( as an open round bracket, but if your script is rtl it appears like ). In order to support this feature, Unicode has a list of all known kinds of reversible paired brackets. https://www.unicode.org/Public/UNIDATA/BidiBrackets.txt https://www.unicode.org/Public/UNIDATA/BidiBrackets.txt For extra fun, C++ < angle brackets > are, of course, not brackets.