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23
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1 not implemented:
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2 - mode.input_allow_dollars.
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3 - column counts do not take tabstops into account.
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4 - mode.output_linenumbers.
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5 - mode.do_depend.
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6 - mode.do_macrolist.
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7 - mode.do_trace.
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8 - warns.endiflabels. (they cause errors)
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9 - warns.unused.
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10 - the -iremap option.
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11 - #line directives.
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12 - $CPP_RESTRICTED
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13 - other environment variables
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14
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15 tidy up:
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16 - get rid of inlinedefs.h
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17 - use of places in and below macro.c is pretty bogus.
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18 - macro code should be reworked.
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32
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19
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20 fix:
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21 - "#if 0 && 1/0" should not crash; fix eval method.
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89
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22 - an unterminated comment is reported as "no newline at end of file"
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23 (which isn't fatal by default)
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120
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24 - the behavior of t26 is different here and in gcc -E -traditional
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