@lyx developers,
i'd look at doing this fix myself, but i'm on a dialup line, paying for
each minute online, and the lyx tarball is 5M+.
For the Qt interface, it seems it would be trivial to fix the Index Item
entry dialog to automatically escape any illegal characters, like "_".
QString::replace("_","\\_") should do the trick, and would be trivial to
add to the slot which handles the OK button (though i don't know if
that slot has access to the string itself).
Alternately, instead of automatic escaping, a warning dialog explaining
that the entry contains some illegal char(s) would be acceptable, and
could be done using Qt::QRegExp with little effort.
For non-Qt interfaces, std::string's replace() could be used, though it
requires more work than Qt::String. (But i have no idea if lyx uses the
STL.)
The fact that the dialog allows one to enter invalid data has caused me
NO END of grief. Adding a single underscore to one index entry causes
errors in completely unrelated parts of the doc when exporting, and
tracking down the problem is really difficult (as is shown by my
frustrated posts on the topic), especially since Idx entries aren't
visible until clicked on (maybe an Expand/View Index Entries option,
like the one for Footnotes, is feasible?). IMO a dialog box should not
allow you to enter data which is itself illegal for the program the
dialog is serving, especially when it *silently* does so.
--
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