[cmucl-cvs] [git] CMU Common Lisp tag release-20b-pre2 created. b903e98fe7fbf1b21949b5f795f586accda76dcc

[Raymond Toy]

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The tag, release-20b-pre2 has been created
        at  b903e98fe7fbf1b21949b5f795f586accda76dcc (commit)

- Log -----------------------------------------------------------------
commit b903e98fe7fbf1b21949b5f795f586accda76dcc
Author: rtoy <rtoy>
Date:   Mon Sep 6 15:41:30 2010 +0000

    Fix a couple of issues with changing the stream external format in
    midstream.
    
    o When changing the external format, the new converted characters need
      to go into the string-buffer at the point after the last character
      was read.  This maintains consistency if the format is changed
      again before we have to read in another buffer of octets.
    o Handle the case where an external format that uses the string-buffer
      is changed to ISO8859-1, which doesn't.  In this case, the converted
      characters need to be copied to the in-buffer in the right place and
      the string-buffer needs to be set to NIL to indicate that the
      string-buffer is not used anymore.
    o Add a note that we don't handle the case of changing ISO8859-1 to
      another external-format that uses a string-buffer.
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