The following patch fixes URL insets in Hebrew text
Index: paragraph.C =================================================================== RCS file: /usr/local/lyx/cvsroot/lyx-devel/src/paragraph.C,v retrieving revision 1.32 diff -u -p -r1.32 paragraph.C --- paragraph.C 2000/02/04 09:38:30 1.32 +++ paragraph.C 2000/02/04 20:20:16 @@ -2924,7 +2924,8 @@ void LyXParagraph::SimpleTeXSpecialChars bool close = false; int len = file.length(); if ( (inset->LyxCode() == Inset::GRAPHICS_CODE - || inset->LyxCode() == Inset::MATH_CODE) + || inset->LyxCode() == Inset::MATH_CODE + || inset->LyxCode() == Inset::URL_CODE) && running_font.getFontDirection() == LYX_DIR_RIGHT_TO_LEFT) { file += "\\L{";