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Small tweak to cancel revertion

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From version 425 to 463, the cancel package is used automatically.
Take this into accound when converting to old formats: For the step
464->463 do nothing if cancel was set to auto. For the step 425->424,
add the \usepackage statement as before.
This commit is contained in:
Georg Baum 2013-02-28 21:03:07 +01:00
parent 74e9f2eb38
commit 13d4b59ac5
1 changed files with 11 additions and 8 deletions
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19
lib/lyx2lyx/lyx_2_1.py
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@ -383,7 +383,10 @@ def convert_use_package(document, pkg):
del document.preamble[j]
def revert_use_package(document, pkg, commands):
def revert_use_package(document, pkg, commands, oldauto):
# oldauto defines how the version we are reverting to behaves:
# if it is true, the old version uses the package automatically.
# if it is false, the old version never uses the package.
regexp = re.compile(r'(\\use_package\s+%s)' % pkg)
i = find_re(document.header, regexp, 0)
value = "1" # default is auto
@ -392,7 +395,7 @@ def revert_use_package(document, pkg, commands):
del document.header[i]
if value == "2": # on
add_to_preamble(document, ["\\usepackage{" + pkg + "}"])
elif value == "1": # auto
elif value == "1" and not oldauto: # auto
i = 0
while True:
i = find_token(document.body, '\\begin_inset Formula', i)
@ -423,7 +426,7 @@ def revert_use_mathtools(document):
"coloneqq", "Coloneqq", "coloneq", "Coloneq", "eqqcolon", \
"Eqqcolon", "eqcolon", "Eqcolon", "colonapprox", \
"Colonapprox", "colonsim", "Colonsim"]
revert_use_package(document, "mathtools", commands)
revert_use_package(document, "mathtools", commands, False)
def convert_use_stmaryrd(document):
@ -466,7 +469,7 @@ def revert_use_stmaryrd(document):
"varcopyright", "longarrownot", "Longarrownot", \
"Mapsto", "mapsfrom", "Mapsfrom" "Longmapsto", \
"longmapsfrom", "Longmapsfrom"]
revert_use_package(document, "stmaryrd", commands)
revert_use_package(document, "stmaryrd", commands, False)
@ -478,7 +481,7 @@ def convert_use_stackrel(document):
def revert_use_stackrel(document):
"remove use_package stackrel"
commands = ["stackrel"]
revert_use_package(document, "stackrel", commands)
revert_use_package(document, "stackrel", commands, False)
def convert_cite_engine_type(document):
@ -512,11 +515,11 @@ def revert_cite_engine_type(document):
document.header[i] = "\\cite_engine natbib_" + engine_type
# this is the same, as revert_use_cancel()
# this is the same, as revert_use_cancel() except for the default
def revert_cancel(document):
"add cancel to the preamble if necessary"
commands = ["cancelto", "cancel", "bcancel", "xcancel"]
revert_use_package(document, "cancel", commands)
revert_use_package(document, "cancel", commands, False)
def revert_verbatim(document):
@ -824,7 +827,7 @@ def convert_use_cancel(document):
def revert_use_cancel(document):
"remove use_package cancel"
commands = ["cancel", "bcancel", "xcancel", "cancelto"]
revert_use_package(document, "cancel", commands)
revert_use_package(document, "cancel", commands, True)
def revert_ancientgreek(document):