Version 0.2
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  * New flag --noline to eliminate #line directives from output.
  * Add symbol-replacement and macro-expansion.
  * New flag --nomacro to turn off symbol/macro-expansion.

2004-Apr-21
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  * Now accept multi-line # commands via the \ line continuation operator.
    The original file line numbering is preserved in the output by
    some tricky acrobatics.

Version 0.1
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  * Initial release.