anchor.diff:  
   if /i '%ARG%' == 'debug' (
       set BUILD_CONFIG=Debug
  -    set BUILD_CONFIG_LOWER=debug
  +    set BUILD_CONFIG_LOWERCASE=debug
   )
   
   if /i '%ARG%' == 'build' (
  
positive.code: %_msbuildexe% fsharp\fsharp.tests.fsproj /p:Configuration=%BUILD_CONFIG%
  @if ERRORLEVEL 1 echo Error: fsharp cambridge tests for nunit failed && goto :failure
  
  call RunTests.cmd %BUILD_CONFIG_LOWER% fsharp %TEST_TAGS% 
  @if ERRORLEVEL 1 type testresults\fsharp_failures.log && echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% fsharp %TEST_TAGS%' failed && goto :failure
  set FSHARP_TEST_SUITE_USE_NUNIT_RUNNER=
  )
  
  if '%TEST_FSHARPQA_SUITE%' == '1' (
  call RunTests.cmd %BUILD_CONFIG_LOWER% fsharpqa %TEST_TAGS% 
  @if ERRORLEVEL 1 type testresults\fsharpqa_failures.log && echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% fsharpqa %TEST_TAGS%' failed && goto :failure
  )
  
  if '%TEST_COMPILERUNIT%' == '1' (
  call RunTests.cmd %BUILD_CONFIG_LOWER% compilerunit %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% compilerunit' failed && goto :failure
  )
  
  if '%TEST_NET40_COREUNIT%' == '1' (
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunit %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunit' failed && goto :failure
  )
  
  if '%TEST_PORTABLE_COREUNIT%' == '1' (
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable47 %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable47' failed && goto :failure
  
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable7 %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable7' failed && goto :failure
  
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable78 %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable78' failed && goto :failure
  
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable259 %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable259' failed && goto :failure
  
  call RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable259 %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable259' failed && goto :failure
  )
  
  if '%TEST_VS%' == '1' (
  call RunTests.cmd %BUILD_CONFIG_LOWER% ideunit %TEST_TAGS% 
  @if ERRORLEVEL 1 echo Error: 'RunTests.cmd %BUILD_CONFIG_LOWER% coreunitportable259' failed && goto :failure
  )
  
  popd
  
negative.code: set TEST_TAGS=
  set TEST_FSHARPQA_SUITE=0
  set BUILD_CONFIG=Release
  set BUILD_CONFIG_LOWERCASE=release
  
  setlocal enableDelayedExpansion
  set /a counter=0
  