[ESW Wiki] Update of "geoUnicodeConsiderationsWhenUpgrading" by Deborah Cawkwell

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The following page has been changed by Deborah Cawkwell:
http://esw.w3.org/topic/geoUnicodeConsiderationsWhenUpgrading


The comment on the change is:
Addition of new sub-section: File encoding.

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     * HTTP header content-type, eg, Content-Type: text/html; charset=utf-8
     * HTML head, eg, <meta http-equiv"Content-Type" content"text/html; charset=utf-8"/>
  
+ ==== File encoding ====
+ 
+ Ensure that the file itself has the correct encoding. With a Unicode encoding, the source text should be readable and match the web page text, rather than with a legacy encoding where the source text is not readable and uses different characters to point to codepoints.
+ 
  ==== Combining data ====
  
  Ensure that any file fragments that are included the web page, eg using technologies such as Apache SSI (server-side includes), where they will share the encoding of the parent page, are saved with the correct file type/encoding. The fragment encodings must match the parent web file encodings and upgrading to Unicode must happen simultaneously.