Hi All,

Example to write web application 
https://golang.org/doc/articles/wiki/final.go needs to be corrected to fix 
an error leading to 'http: multiple response.WriteHeader calls'.

In the renderTemplate() func if there is an error while exectuing the line 
templates.ExecuteTemplate(w, tmpl+".html", p) then the example suggests to 
return error using http.Error().

But we have passed ResponseWriter to templates.ExecuteTemplate() and the 
first call to Write  will trigger an implicit WriteHeader(http.StatusOK). 
http.Error() will also write the Header and we get the error.


Regards,
--Madhu C S

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