🧹 Update/move some XXXs/TODOs

Dockerfile

@@ -30,7 +30,6 @@ RUN apt-get update && \
 
 
 # Build Leptonica and Tesseract.
-# XXX Use a multi stage build for this.
 RUN curl -sSL -O https://github.com/DanBloomberg/leptonica/releases/download/$LEPTONICA_VERSION/leptonica-$LEPTONICA_VERSION.tar.gz && \
     tar xvzf leptonica-$LEPTONICA_VERSION.tar.gz && \
     cd leptonica-$LEPTONICA_VERSION && \

build

@@ -67,7 +67,7 @@ download_to() {
     tmpf=`mktemp 'tmp.XXXXX'`
     wget -O $tmpf "$download_source"
     mkdir -p "$unpack_to"
-    # XXX Unpacking relies on tar -a unpacking any tar compression, might not work everywhere?
+    # Unpacking relies on tar -a unpacking any tar compression
     tar -C "$unpack_to" -af $tmpf -xv
     rm -f $tmpf
   )