memory.op.equal: Fix parameter documentation

.travis.yml

@@ -10,16 +10,23 @@ d:
 - dmd-2.082.1
 
 env:
+  global:
+  - LATEST=2.082.1
+
   matrix:
   - ARCH=x86_64
   - ARCH=x86
 
 matrix:
   include:
-  - name: "D-Scanner"
+  - name: D-Scanner
-    d: dmd-2.082.1
+    d: dmd-$LATEST
     env: DSCANNER=0.5.11
     os: linux
+  - name: DDoc
+    d: dmd-$LATEST
+    env: DDOC=true
+    os: linux
 
 addons:
   apt:
@@ -27,13 +34,15 @@ addons:
     - gcc-multilib
 
 before_script:
-- if [ "`$DC --version | head -n 1 | grep 'v2.082.1'`" ] &&
+- if [ "`$DC --version | head -n 1 | grep v$LATEST`" ] &&
-     [ -z "$DSCANNER" ]; then
+     [ -z "$DSCANNER$DDOC" ]; then
     export UNITTEST="unittest-cov";
   fi
 
 script:
-- if [ -z "$DSCANNER" ]; then
+- if [ -n "$DDOC" ]; then
+    dub build -b ddox --compiler=$DC;
+  elif [ -z "$DSCANNER" ]; then
     dub test -b ${UNITTEST:-unittest} --arch=$ARCH --compiler=$DC;
   else
     dub fetch dscanner --version=$DSCANNER;

source/tanya/memory/op.d

@@ -419,8 +419,8 @@ do
  * Compares two memory areas $(D_PARAM r1) and $(D_PARAM r2) for equality.
  *
  * Params:
- *  haystack = First memory block.
+ *  r1 = First memory block.
- *  needle   = First memory block.
+ *  r2 = Second memory block.
  *
  * Returns: $(D_KEYWORD true) if $(D_PARAM r1) and $(D_PARAM r2) are equal,
  *          $(D_KEYWORD false) otherwise.