SongFilter: allow dash in tag name

Required for "modified-since".

SongFilter: allow dash in tag name
29d5ad66 · Max Kellermann · 235ddc09 · 29d5ad66
Commit 29d5ad66 authored Jul 25, 2018 by Max Kellermann
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SongFilter.cxx src/SongFilter.cxx +1 -1

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--- a/src/SongFilter.cxx
+++ b/src/SongFilter.cxx
@@ -225,7 +225,7 @@ ParseTimeStamp(const char *s)
 static constexpr bool
 IsTagNameChar(char ch) noexcept
 {
-	return IsAlphaASCII(ch) || ch == '_';
+	return IsAlphaASCII(ch) || ch == '_' || ch == '-';
 }
 static const char *