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src/Pure/System/bash.scala
changeset 67200 d49727160f0a
parent 65317 b9f5cd845616
child 71601 97ccf48c2f0c 
--- a/src/Pure/System/bash.scala	Thu Dec 14 11:38:20 2017 +0100
+++ b/src/Pure/System/bash.scala	Thu Dec 14 14:27:37 2017 +0100
@@ -24,7 +24,7 @@
       case '\f' => "$'\\f'"
       case '\r' => "$'\\r'"
       case _ =>
-        if (Symbol.is_ascii_letter(ch) || Symbol.is_ascii_digit(ch) || "+-./:_".contains(ch))
+        if (Symbol.is_ascii_letter(ch) || Symbol.is_ascii_digit(ch) || "+,-./:_".contains(ch))
           Symbol.ascii(ch)
         else if (c < 0) "$'\\x" + Integer.toHexString(256 + c) + "'"
         else if (c < 16) "$'\\x0" + Integer.toHexString(c) + "'"
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