whitespace fixes

Library/Homebrew/brew.sh

@@ -100,12 +100,12 @@ then
   # Refuse to run on pre-Mavericks
   if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "100900" ]]
   then
-    printf "ERROR: Your version of macOS (%s) is too old to run Homebrew!" "$HOMEBREW_MACOS_VERSION" >&2
+    printf "ERROR: Your version of macOS (%s) is too old to run Homebrew!\\n" "$HOMEBREW_MACOS_VERSION" >&2
     if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "100700" ]]
     then
-      printf "         For 10.4 - 10.6 support see: https://github.com/mistydemeo/tigerbrew\n" >&2
+      printf "         For 10.4 - 10.6 support see: https://github.com/mistydemeo/tigerbrew\\n" >&2
     fi
-    printf "\n" >&2
+    printf "\\n" >&2
   fi
 
   # The system Curl is too old for some modern HTTPS certificates on

Library/Homebrew/install.rb

@@ -12,7 +12,8 @@ module Homebrew
       when :ppc
         abort <<~EOS
           Sorry, Homebrew does not support your computer's CPU architecture.
-          For PPC support, see: https://github.com/mistydemeo/tigerbrew
+          For PPC support, see:
+            #{Formatter.url("https://github.com/mistydemeo/tigerbrew")}
         EOS
       end
     end

Library/Homebrew/migrator.rb

@@ -34,7 +34,7 @@ class Migrator
 
       super <<~EOS
         #{formula.name} from #{formula.tap} is given, but old name #{formula.oldname} was installed from #{tap || "path or url"}.
-         #{msg}To force migrate use `brew migrate --force #{formula.oldname}`.
+        #{msg}To force migration use `brew migrate --force #{formula.oldname}`.
       EOS
     end
   end