localized Record.decode_type: use standard Proof_Context.get_sort;
clarified Record.varifyT: more convential use of maxidx + 1;
syntax: glob
*~
*.class
*.jar
.DS_Store
syntax: regexp
^contrib
^heaps/
^browser_info/
^doc-src/.*\.aux
^doc-src/.*\.bbl
^doc-src/.*\.blg
^doc-src/.*\.dvi
^doc-src/.*\.idx
^doc-src/.*\.ind
^doc-src/.*\.lof
^doc-src/.*\.log
^doc-src/.*\.out
^doc-src/.*\.toc
^src/Tools/jEdit/dist/