Adds convert-ly rules for the Flag grob.

All Stem properties that are moved to Flag are now changed to Flag
properties.  Additionally, Stem grobs' being overriden and reverted
to and from transparent triggers the same overrides and reverts with
Flags.

diff --git a/python/convertrules.py b/python/convertrules.py
index b1e3fefd453112ca010cc1c00144874f818872cc..ee15d267c7222cdd0dc2b52b41415f6108bec483 100644 (file)
--- a/python/convertrules.py
+++ b/python/convertrules.py
@@ -3232,6 +3232,16 @@ def conv (str):
         stderr_write (UPDATE_MANUALLY)
     return str
 
+@rule ((2, 15, 10),
+       _ ("Creation of a Flag grob and moving of certain Stem properties to this grob"))
+def conv (str):
+    str = re.sub (r"Stem\s+#'flag-style", r"Flag #'style", str)
+    str = re.sub (r"Stem\s+#'stroke-style", r"Flag #'stroke-style", str)
+    str = re.sub (r"Stem\s+#'flag", r"Flag #'print", str)
+    str = re.sub (r"((?:\\once)?\s*)\\override\s+Stem\s+#'transparent\s*=\s*##t", r"\g<1>\\override Stem #'transparent = ##t \g<1>\\override Flag #'transparent = ##t", str)
+    str = re.sub (r"((?:\\once)?\s*)\\revert\s*Stem\s+#'transparent", r"\g<1>\\revert Stem #'transparent \g<1>\\revert Flag #'transparent", str)
+    return str
+
 
 # Guidelines to write rules (please keep this at the end of this file)
 #