View source for cpp/io/basic stringbuf/overflow

===Defect reports===
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{{dr list item|wg=lwg|dr=169|std=C++98|before=the buffer (re)allocated could only hold one extra character|after=allows more extra characters}}
{{dr list item|wg=lwg|dr=432|std=C++98|before={{tt|overflow}} moved {{lc|epptr()}} to point just past the new<br>write position if the {{tt|std::stringbuf}} is open for input|after=it is not moved}}
{{dr list end}}