diff --git a/.travis.yml b/.travis.yml
index ba3ec46..1f8ddf5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,9 +27,9 @@ before_script:
   - export PATH=$PATH:$PWD/.ntmp
 
 script:
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then meson build && ninja -j8 -C build; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ninja -j8 -C build test -v; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then SDKROOT=$(xcodebuild -version -sdk macosx Path) meson build && ninja -j8 -C build test; fi
+  #- if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then meson build && ninja -j8 -C build; fi
+  #- if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ninja -j8 -C build test -v; fi
+  #- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then SDKROOT=$(xcodebuild -version -sdk macosx Path) meson build && ninja -j8 -C build test; fi
   - dub build
   - dub test --build=unittest-cov
 after_success:
diff --git a/appveyor.yml b/appveyor.yml
index c3a2c1c..965f4cc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -59,17 +59,18 @@ install:
   - ps: function ResolveLatestLDC
         {
             $version = $env:DVersion;
+            $arch = $env:arch;
             if($version -eq "stable") {
                 $latest = (Invoke-WebRequest "https://ldc-developers.github.io/LATEST").toString().replace("`n","").replace("`r","");
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-win64-msvc.zip";
+                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-windows-$($arch).7z";
             }elseif($version -eq "beta") {
                 $latest = (Invoke-WebRequest "https://ldc-developers.github.io/LATEST_BETA").toString().replace("`n","").replace("`r","");
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-win64-msvc.zip";
+                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-windows-$($arch).7z";
             } else {
                 $latest = $version;
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($version)/ldc2-$($version)-win64-msvc.zip";
+                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($version)/ldc2-$($version)-windows-$($arch).7z";
             }
-            $env:PATH += ";C:\ldc2-$($latest)-win64-msvc\bin";
+            $env:PATH += ";C:\ldc2-$($latest)-windows-$($arch)\bin";
             $env:DC = "ldc2";
             return $url;
         }
diff --git a/source/dyaml/parser.d b/source/dyaml/parser.d
index d5714f4..b570291 100644
--- a/source/dyaml/parser.d
+++ b/source/dyaml/parser.d
@@ -596,6 +596,7 @@ final class Parser
                     // Any hex digits are 1-byte so this works.
                     char[] hex = oldValue[0 .. hexLength];
                     oldValue = oldValue[hexLength .. $];
+                    import std.ascii : isHexDigit;
                     assert(!hex.canFind!(d => !d.isHexDigit),
                             "Scanner must ensure the hex string is valid");
 
diff --git a/test/data/construct-bool.data b/test/data/construct-bool.data
index 36d6519..4c0b757 100644
--- a/test/data/construct-bool.data
+++ b/test/data/construct-bool.data
@@ -2,6 +2,10 @@ canonical: yes
 answer: NO
 logical: True
 option: on
+constbool: on
+imutbool: on
+const_bool: on
+imut_bool: on
 
 
 but: