PATCH: fix a FIXME in dg.exp

[Ben Elliston]

Here's a patch to remove another FIXME.  I don't think there is any
need to escape any of the +'s -- for example the expressions
\[0-9\]+ and \[ \t\]+ clearly don't need escaped +.

Okay to commit?

Ben


diff --git a/lib/dg.exp b/lib/dg.exp
index dfd6a6c..8b4e3c0 100644
--- a/lib/dg.exp
+++ b/lib/dg.exp
@@ -189,9 +189,7 @@ proc dg-get-options { prog } {
     set tmp [grep $prog "{\[ \t\]\+dg-\[-a-z\]\+\[ \t\]\+.*\[ \t\]\+}" line]
     if {![string match "" $tmp]} {
        foreach i $tmp {
-           # FIXME: When to use "+" and "\+" isn't clear.
-           # Seems to me it took awhile to get this to work.
-           regexp "(\[0-9\]\+)\[ \t\]\+{\[ \t\]+(dg-\[-a-z\]+)\[ \t\]\+(.*)\[ 
\t\]+}\[^\}\]*(\n|$)" $i i line cmd args
+           regexp "(\[0-9\]+)\[ \t\]+{\[ \t\]+(dg-\[-a-z\]+)\[ \t\]+(.*)\[ 
\t\]+}\[^\}\]*(\n|$)" $i i line cmd args
            append result " { $cmd $line $args }"
        }
     }

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