Using Chrome and missing characters?
If you are using Chrome on some OS, it is likely that some infrequent characters such as accents and foreign letters are not properly displayed on texts. That happens randomly. It is a Chrome problem, and we can do very little to sort it out, besides trusting Google and its engineer team. How to sort it out: When it occurs, please reload that page. Usually, that is enough. More information: Google Code 1 & 2.
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