* lib/erb.rb (ERB::Compiler::TrimScanner#explicit_trim_line): Fix 
	  without strscan problems. [ruby_core:17028].
	* test/erb/test_erb.rb (TestERBCoreWOStrScan): Add test class for 
	  without strscan.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e