Make tempo range \tempo 20~30 be input as \tempo 20-30 instead

[lilypond.git] / python / convertrules.py

diff --git a/python/convertrules.py b/python/convertrules.py
index 121b12182cadfad528e7e31903a2cd17b5dfa7a8..6f0a0f1a04771beeca1c7fcc60b3ba6cb7ad0ebe 100644 (file)
--- a/python/convertrules.py
+++ b/python/convertrules.py
@@ -3591,6 +3591,16 @@ def conv(str):
                   r"\1", str)
     return str
 
+@rule((2, 17, 25), r'''\tempo 4. = 50~60 -> \tempo 4. = 50-60''')
+def conv(str):
+#  This goes for \tempo commands ending with a range, like
+#  = 50 ~ 60
+#  and uses - instead.  We don't explicitly look for \tempo since the
+#  complete syntax has a large number of variants, and this is quite
+#  unlikely to occur in other contexts
+    str = re.sub (r"(=\s*[0-9]+\s*)~(\s*[0-9]+\s)", r"\1-\2", str)
+    return str
+
 # Guidelines to write rules (please keep this at the end of this file)
 #
 # - keep at most one rule per version; if several conversions should be done,