Clarify case requirements for gas pseudo-ops

gas/
2015-07-08  Ciro Santilli  <ciro.santilli@gmail.com>

	* doc/as.texinfo: Clarify case requirements for pseudo ops.

gas/ChangeLog

@@ -1,3 +1,7 @@
+2015-07-08  Ciro Santilli  <ciro.santilli@gmail.com>
+
+	* doc/as.texinfo: Clarify case requirements for pseudo ops.
+
 2015-07-08  Pitchumani Sivanupandi <pitchumani.s@atmel.com>
 
 	* config/tc-avr.c (tc_gen_reloc): Change 32 bit relocation to

gas/doc/as.texinfo

@@ -4205,7 +4205,8 @@ address; you can only have a defined section in one of the two arguments.
 @cindex pseudo-ops, machine independent
 @cindex machine independent directives
 All assembler directives have names that begin with a period (@samp{.}).
-The rest of the name is letters, usually in lower case.
+The names are case insensitive for most targets, and usually written
+in lower case.
 
 This chapter discusses directives that are available regardless of the
 target machine configuration for the @sc{gnu} assembler.