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      1 release 0.5.3 (20190121)
      2    - Fix markup typo in the man page.
      3    - Abort on line numbering or column numbering overflow. Line
      4      numbers are limited to values that fit in "unsigned int". Also
      5      reject input lines longer than 2^32-1 characters. It seems
      6      reasonable to presume that any input that violates these
      7      constraints is someone screwing around and not a serious attempt
      8      to compile or preprocess anything useful. Done in response to
      9      n2129, but without getting into any of the silliness found there.
     10    - Recognize __ia64__ for IA64 builds.
     11    - Recognize __aarch64__ for 64-bit ARM builds, as sent in by
     12      various people.
     13    - Recognize __riscv__ and __riscv64__ for risc-v builds.
     14 
     15 release 0.5.2 (20160904)
     16    - Fix typo in -U usage message, noticed by Joerg.
     17    - Add a -debuglog option to send an execution trace to a file.
     18      Intended to be used when debugging imake templates and other
     19      complex input, not for debugging tradcpp itself.
     20 
     21 release 0.5.1 (20150612)
     22    - Fix a stupid regression in 0.5 that causes it to not recognize a
     23      pile of options.
     24    - Fix output corruption caused by mishandling which macros are
     25      currently in use. In particular, "curmacro" is only valid while
     26      we're parsing a macro name and arguments, and can change once we
     27      start expanding, so don't use it to clear the in-use flag. This
     28      problem has been around all along but was only just exposed.
     29    - Also don't set curmacro to null after calling expand_domacro as
     30      that can cause us to think a macro name we just read is defined().
     31      This one was introduced in 0.5.
     32    - Don't use "remove" as a local variable as gcc 4.1 gets upset
     33      about it vs. remove(3) in stdio.h.
     34 
     35 release 0.5 (20150612)
     36    - Don't report unclosed comments as "No newline at end of file".
     37    - Don't rely on <stdbool.h> existing, as (predictably) it doesn't
     38      work on Solaris.
     39    - Similarly, don't rely on C11 anonymous unions as the Solaris
     40      compiler vomits on them.
     41    - Typo fix in man page from Jason McIntyre; and change "Usage" to
     42      "usage" in usage for pedantic reasons, from Igor Sobrado.
     43    - Accept "-" as either input or output file name to mean stdin or
     44      stdout respectively. Suggested by Jonathan Gray.
     45    - Fix output spacing behavior to match gcc when newlines appear in or
     46      while looking for macro arguments. Partly from Joerg Sonnenberger.
     47    - Implement __FILE__ and __LINE__ macros. Mostly from Joerg Sonnenberger.
     48    - Implement #line. Partly from Joerg Sonnenberger.
     49    - Declare usage() with PF(). From wiz.
     50 
     51 release 0.4 (20130713)
     52    - Fix stupid build problem introduced in 0.3.1.
     53    - Accept and ignore -m32, which imake issues willy-nilly on a bunch
     54      of platforms. I thought this had already been done, but apparently
     55      not.
     56    - Don't use the <err.h> functions. There are still people out there
     57      using legacy systems missing them.
     58    - Sort out some more issues pertaining to handling quoted strings.
     59    - Add some more tests.
     60 
     61 release 0.3.1 (20130709)
     62    - Don't leak memory and assert if a bad command-line option comes
     63      after a -D or a -include foo.
     64    - Since imake is a principal application for tradcpp and imake carefully
     65      hides what it's doing when you run it, when rejecting an invalid option
     66      be sure to report *what* that option is.
     67 
     68 release 0.3 (20130616)
     69    - Don't eval the control expression of the first #if of a block when
     70      already in a false block; it might not be valid. Reported by
     71      Baptiste Daroussin.
     72    - Don't recognize comments within character constants.
     73    - Don't recognize macro argument parentheses or commas within strings,
     74      or within character constants either.
     75 
     76 release 0.2 (20130611)
     77    - auto-recognize more builtin PowerPC and mips macros
     78    - pass -Wunused (partly from Baptiste Daroussin)
     79    - allow absolute paths in include files (partly from Baptiste Daroussin)
     80    - don't use getprogname() in the name of portability
     81    - add tests arising from December 2010 tech-toolchain thread (one
     82      from der Mouse, one of mine)
     83    - clean out usage of sys/cdefs.h macros and don't use the implementation
     84      namespace
     85    - make -Wcomment work again
     86    - fix handling of relative includes
     87    - provide a man page
     88    - other minor improvements
     89 
     90 release 0.1 (20130610)
     91    - first release, works with at least some imake templates
     92