syn match specPackageOpts contained '\s-n\s*\w'ms=s+1,me=e-1
syn match specFilesOpts contained '\s-f\s*\w'ms=s+1,me=e-1
-" charset: et,et.UTF-8,pl.UTF-8, ... etc
-syn match specDescriptionCharset contained '-l\s[a-z]\+\(\.UTF-8\)\?'ms=s+2
-syn match specPreAmbleCharset contained '([a-z]\+\(\.UTF-8\)\?):'
+" charset: et,et.UTF-8,pl.UTF-8,pt_BR, ... etc
+syn match specDescriptionCharset contained '-l\s[a-z_A-Z]\+\(\.UTF-8\)\?'ms=s+2
+syn match specPreAmbleCharset contained '([a-z_A-Z]\+\(\.UTF-8\)\?):'
syn case ignore