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Diff tool: Fix a rare and difficult to trigger error (needs very long lines)

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This commit is contained in:
Kovid Goyal 2015-06-26 14:15:45 +05:30
parent 6482a66bb7
commit 4cd3bc037f
1 changed files with 5 additions and 1 deletions
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6
src/calibre/gui2/tweak_book/diff/highlight.py
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@ -39,7 +39,11 @@ class QtHighlighter(QTextDocument):
cursor.insertText(block.text())
dest_block = cursor.block()
c = QTextCursor(dest_block)
for af in block.layout().additionalFormats():
try:
afs = block.layout().additionalFormats()
except AttributeError:
afs = ()
for af in afs:
start = dest_block.position() + af.start
c.setPosition(start), c.setPosition(start + af.length, c.KeepAnchor)
c.setCharFormat(af.format)