Revert "Get rid of unicode quotes (#1140)"

This reverts commit f78126bfd6b6c8477fcdbc09b2f98772dbe9a1e7. There
really is no need for such a massive change...

1 files changed, 3 insertions, 3 deletions

diff --git a/src/libmain/shared.hh b/src/libmain/shared.hh
index a147f9b4d453..6d94a22f788e 100644
--- a/src/libmain/shared.hh
+++ b/src/libmain/shared.hh
@@ -45,7 +45,7 @@ template<class N> N getIntArg(const string & opt,
     Strings::iterator & i, const Strings::iterator & end, bool allowUnit)
 {
     ++i;
-    if (i == end) throw UsageError(format("'%1%' requires an argument") % opt);
+    if (i == end) throw UsageError(format("‘%1%’ requires an argument") % opt);
     string s = *i;
     N multiplier = 1;
     if (allowUnit && !s.empty()) {
@@ -55,13 +55,13 @@ template<class N> N getIntArg(const string & opt,
             else if (u == 'M') multiplier = 1ULL << 20;
             else if (u == 'G') multiplier = 1ULL << 30;
             else if (u == 'T') multiplier = 1ULL << 40;
-            else throw UsageError(format("invalid unit specifier '%1%'") % u);
+            else throw UsageError(format("invalid unit specifier ‘%1%’") % u);
             s.resize(s.size() - 1);
         }
     }
     N n;
     if (!string2Int(s, n))
-        throw UsageError(format("'%1%' requires an integer argument") % opt);
+        throw UsageError(format("‘%1%’ requires an integer argument") % opt);
     return n * multiplier;
 }