Here is bug reported to Debian's BTS. The standard Israeli keyboard dictates that shift+\ produce a pipe ('|') symbol (just like the US mapping). In the il mapping, however, shift+\ produces \, which renders the shift useless for that key. the problem does not seem to affect the "il-lyx" variant.
Created attachment 13538 [details] [review] shift + \ = |
Look at xkeyboard-config CVS, it is already there!
Woops, I am sorry :-( Thanks for your responsiveness.
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