# ambiguous-variable-name (E741)
Derived from the **pycodestyle** linter.
## What it does
Checks for the use of the characters 'l', 'O', or 'I' as variable names.
## Why is this bad?
In some fonts, these characters are indistinguishable from the
numerals one and zero. When tempted to use 'l', use 'L' instead.
## Reason to ignore in LyX?
With appropriated fonts that is not an issue. In our case we just use
the 'l', in particular in the context of iterators: 'i', 'j', 'k', 'l'.
The only difference from regular letter is the alignment of
"Send To Address" layout, but it no longer reflect the output
corrctly, probably because LyX revert the alignment of layouts
in RTL context now.
This inset can change dimensions when edited (like macros can).
Therefore Update::SinglePar should be set with editXY() like it is
already set for edit().
With this patch, 3 draw strategies (set in prefs with
\draw_strategy partial|backingstore|full) are available:
- "partial": only draw the parts of text that have changed since last
paint event (default for X11 and windows)
- "backingstore": the same, but drawing happens on an offspring
pixmap; this breaks subpixel rendering (default for Wayland and
macOS)
- "full": the screen is fully redrawn at each paint event and should
therefore always be correct; this is presumably slower but
introducing it will allow to test it.
This would deserve a proper UI eventually.
This is in line with the current hints for better readability:
* one import per line;
* order the imports alphabetically to be easier to search;
Take the chance to remove unused imports.
Remove Python 2 support
This simplifies the code and allows to use other more modern features,
like formatted strings, that were not possible while keeping Python 2
compatibility.
The code was expecting that all properties were specified
in the argument and not only some. Simply do not process
those properties not specified in the argument.
* previwes with xetex did not produce any background (\pagecolor does not work for some reason), adding the direct command for that, \special{background <color>} inside the preview box solved it.
* similar to #12923 we should push the color node in horizontal mode
* there is a bug in preview with LuaTeX with main RTL language, this commit fix this bug, but it should be removed when it is fixed upstream (the code related to \pr@set@pagerightoffset)
Newer Python versions (e.g., Python 3.12.3) gave the following
warning:
po/lyx_pot.py:607: SyntaxWarning: invalid escape sequence '\w'
An alternative fix would be to double the backslash, but that might
be less readable than this fix.
Reorder the tests so that, when the flag Update::SinglePar has been
specified, it does not take precedence over Update::Force flag.
This fixes the crash with inset-split.
This bug is pretty old, but it was not visible because the grey area
below the document would overwrite it.
It would be better to close the frame at the end of the document, but
this is for later.
