convert: properly escape some single-backslashes.

python/convertrules.py

 # (setq py-indent-offset 4)
 
 
 import string
 import re
 import sys
 import lilylib
 
 _ = lilylib._
 
@@ skipping 2897 matching lines @@
     str = re.sub (r'ly:hairpin::after-line-breaking', r'ly:spanner::kill-zero-spanned-time', str)
     if re.search("(Slur|Tie)\w+#\'dash-fraction", str) \
         or re.search("(Slur|Tie)\w+#\'dash-period", str):
         stderr_write ("\n")
         stderr_write (NOT_SMART % _("Dash parameters for slurs and ties are now in \'dash-details.\n"))
         stderr_write (UPDATE_MANUALLY)
     return str
 
 @rule ((2, 13, 4),
        _ ("Autobeaming rules have changed.  override-auto-beam-setting and\n\
-revert-auto-beam-setting have been eliminated.  \\overrideBeamSettings has been\n\
-added.  beatGrouping has been eliminated.\n\
+revert-auto-beam-setting have been eliminated.\n\
+\\overrideBeamSettings has been added.\n\
+beatGrouping has been eliminated.\n\
 Different settings for vertical layout.\n\
 ly:system-start-text::print -> system-start-text::print\n\
 Beam #'thickness -> Beam #'beam-thickness\n\
 ly:note-head::brew-ez-stencil -> note-head::brew-ez-stencil\n\
 ly:ambitus::print -> ambitus::print\n\
 Explicit dynamics context definition from `Piano centered dynamics'\n\
 template replaced by new `Dynamics' context."))
 def conv(str):
     if re.search("override-auto-beam-setting", str):
         stderr_write ("\n")
@@ skipping 52 matching lines @@
         stderr_write(UPDATE_MANUALLY)
 
     return str
 
 @rule ((2, 13, 16),
        _ ("Unify fetaNumber and fetaDynamic encodings"))
 def conv(str):
     return re.sub(r'\bfeta(Number|Dynamic)', 'fetaText', str)
 
 @rule ((2, 13, 18),
-       _ ("\\RemoveEmpty*StaffContext -> \*Staff \\RemoveEmptyStaves"))

[dak, 2010/10/11 18:18:48]

Any particular reason that \*Staff does not get the backslash doubled as well?

+       _ ("\\RemoveEmpty*StaffContext -> \\*Staff \\RemoveEmptyStaves"))
 def conv(str):
     str = re.sub (r"\\RemoveEmpty(|Drum|Rhythmic|Tab)StaffContext",
                   r"\\\1Staff \\RemoveEmptyStaves",
                   str);
     str = re.sub (r"\\AncientRemoveEmptyStaffContext",
                   r"\\VaticanaStaff \\RemoveEmptyStaves",
                   str);
     return str
 
 @rule ((2, 13, 20),
        _ ("\\cresc etc. are now postfix operators"))
 def conv (str):
     str = re.sub (r'\\(cresc|dim|endcresc|enddim)\b', r'\\deprecated\1', str)
     return str
 
 @rule ((2, 13, 29),
-       _ ("Eliminate beamSettings, beatLength, \\setBeatGrouping, \\overrideBeamSettings and \\revertBeamSettings\n\
+       _ ("Eliminate beamSettings, beatLength, \\setBeatGrouping, \\overrideBeamSettings and \\revertBeamSettings.\n\
 \"accordion.accEtcbase\" -> \"accordion.etcbass\""))
 def conv(str):
     def sub_acc (m):
         d = {
             'Dot': 'dot',
             'Discant': 'discant',
             'Bayanbase': 'bayanbass',
             'Stdbase': 'stdbass',
             'Freebase': 'freebass',
             'OldEE': 'oldEE'
@@ skipping 50 matching lines @@
 # - keep at most one rule per version; if several conversions should be done,
 # concatenate them into a single "conv" function;
 #
 # - enclose strings to be localized with `_(' and  `)';
 #
 # - write rule for bumping major stable version with
 #
 #     _ ("bump version for release")
 #
 # as exact description.