read from a text file.
* src/encoding.[Ch]
(Encoding::latexChar): New, output a character to LaTeX
(Encoding::validate): New, add needed preamble stuff for a character
(Encodings::read): Read new unicodesymbols file
(Encodings::isCombiningChar): New, is a character a combining char?
* src/paragraph_pimpl.C
(isEncoding): Delete, no longer needed
(getEncoding): New, get the real encoding of a font
(Paragraph::Pimpl::latexSurrogatePair): New, output a surrogate pair
to LaTeX
(Paragraph::Pimpl::simpleTeXBlanks): Use latexSurrogatePair if needed
(Paragraph::Pimpl::simpleTeXSpecialChars): Ditto, and replace several
hardcoded characters with a call of encoding.latexChar()
(Paragraph::Pimpl::validate): replace several hardcoded characters
with a call of encoding.validate()
* src/support/debugstream.h
(basic_debugstream::disable): New, disable the stream completely
(basic_debugstream::enable): New, reenable the stream
* src/lyx_main.[Ch]: Adjust to changes above
* src/paragraph.C: Ditto
* lib/unicodesymbols: New file with UCS4 -> LaTeX command mapping.
It is far from complete yet, but contains most accents on latin
characters.
* lib/Makefile.am: add lib/unicodesymbols
* development/scons/scons_manifest.py: ditto
* development/tools/unicodesymbols.py: Helper script to update
lib/unicodesymbols with new symbols
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16920 a592a061-630c-0410-9148-cb99ea01b6c8
