Ignore windows output files.

.gitignore

@@ -33,3 +33,9 @@ FMT.build
 Makefile
 run-msbuild.bat
 fmt.pc
+/Debug/
+/fmt.dir/
+/x64/
+*.vcxproj.filters
+*.vcxproj
+*.sln

doc/.gitignore

@@ -0,0 +1,6 @@
+/INSTALL.vcxproj
+/INSTALL.vcxproj.filters
+/PACKAGE.vcxproj
+/PACKAGE.vcxproj.filters
+/RUN_TESTS.vcxproj
+/RUN_TESTS.vcxproj.filters

test/.gitignore

@@ -0,0 +1,23 @@
+/assert-test.dir/
+/chrono-test.dir/
+/format-impl-test.dir/
+/color-test.dir/
+/compile-test.dir/
+/core-test.dir/
+/custom-formatter-test.dir/
+/Debug/
+/format-test.dir/
+/gmock.dir/
+/locale-test.dir/
+/gtest-extra-test.dir/
+/grisu-test.dir/
+/test-main.dir/
+/header-only-test.dir/
+/os-test.dir/
+/ostream-test.dir/
+/posix-mock-test.dir/
+/printf-test.dir/
+/ranges-test.dir/
+/scan-test.dir/
+*.vcxproj.filters
+*.vcxproj