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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@228 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 16 insertions, 23 deletions

diff --git a/lib/final.rb b/lib/final.rb
index fc17dce289..cdffd941e7 100644
--- a/lib/final.rb
+++ b/lib/final.rb
@@ -2,7 +2,7 @@
 # $Id$
 # Copyright (C) 1998 Yukihiro Matsumoto. All rights reserved. 
 
-# The ObjectSpace extention:
+# The ObjectSpace extension:
 #
 #  ObjectSpace.define_finalizer(obj, proc=lambda())
 #
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 72f0bfa8b8..8ef5bfd79b 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1,4 +1,4 @@
-# module to create Makefile for extention modules
+# module to create Makefile for extension modules
 # invoke like: ruby -r mkmf extconf.rb
 
 require 'rbconfig'
diff --git a/lib/observer.rb b/lib/observer.rb
index b802dac633..5928367a7d 100644
--- a/lib/observer.rb
+++ b/lib/observer.rb
@@ -30,9 +30,11 @@ module Observable
     @observer_state
   end
   def notify_observers(*arg)
-    if @observer_peers and @observer_state
-      for i in @observer_peers
-	i.update(*arg)
+    if @observer_state
+      if @observer_peers
+	for i in @observer_peers
+	  i.update(*arg)
+	end
       end
       @observer_state = FALSE
     end
diff --git a/regex.c b/regex.c
index 082ce4fd9d..a7a158e1fd 100644
--- a/regex.c
+++ b/regex.c
@@ -380,6 +380,7 @@ long re_syntax_options = 0;
 /* Macros for re_compile_pattern, which is found below these definitions.  */
 
 #define TRANSLATE_P() ((options&RE_OPTION_IGNORECASE) && translate)
+#define TRY_TRANSLATE() ((bufp->options&(RE_OPTION_IGNORECASE|RE_MAY_IGNORECASE)) && translate)
 /* Fetch the next character in the uncompiled pattern---translating it 
    if necessary.  Also cast from a signed character in the constant
    string passed to us by the user to an unsigned char that we can use
@@ -2228,17 +2229,13 @@ re_compile_fastmap(bufp)
 	{
 	case exactn:
 	  if (p[1] == 0xff) {
-	    if (TRANSLATE_P()) {
+	    if (TRANSLATE_P())
 	      fastmap[translate[p[2]]] = 2;
-	      bufp->options |= RE_MAY_IGNORECASE;
-	    }
 	    else
 	      fastmap[p[2]] = 2;
 	  }
-	  else if (TRANSLATE_P()) {
+	  else if (TRANSLATE_P())
 	    fastmap[translate[p[1]]] = 1;
-	    bufp->options |= RE_MAY_IGNORECASE;
-	  }
 	  else
 	    fastmap[p[1]] = 1;
 	  break;
@@ -2260,10 +2257,8 @@ re_compile_fastmap(bufp)
 	  continue;
 
 	case endline:
-	  if (TRANSLATE_P()) {
+	  if (TRANSLATE_P())
 	    fastmap[translate['\n']] = 1;
-	    bufp->options |= RE_MAY_IGNORECASE;
-	  }
 	  else
 	    fastmap['\n'] = 1;
 
@@ -2386,10 +2381,8 @@ re_compile_fastmap(bufp)
 	  for (j = *p++ * BYTEWIDTH - 1; j >= 0; j--)
 	    if (p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH)))
 	      {
-		if (TRANSLATE_P()) {
+		if (TRANSLATE_P())
 		  fastmap[translate[j]] = 1;
-		  bufp->options |= RE_MAY_IGNORECASE;
-		}
 		else
 		  fastmap[j] = 1;
 	      }
@@ -2545,8 +2538,7 @@ re_search(bufp, string, size, startpos, range, regs)
       && bufp->must
       && !must_instr(bufp->must+1, bufp->must[0],
 		     string+startpos, size-startpos,
-		     (bufp->options&(RE_OPTION_IGNORECASE|RE_MAY_IGNORECASE))?
-		     translate:0)) {
+		     TRY_TRANSLATE()?translate:0)) {
     return -1;
   }
 
@@ -2584,8 +2576,7 @@ re_search(bufp, string, size, startpos, range, regs)
 		    break;
 		}
 		else 
-		  if (fastmap[(bufp->options&(RE_OPTION_IGNORECASE|RE_MAY_IGNORECASE))?
-			     translate[c] : c])
+		  if (fastmap[TRY_TRANSLATE() ? translate[c] : c])
 		    break;
 		range--;
 	      }
@@ -2597,8 +2588,7 @@ re_search(bufp, string, size, startpos, range, regs)
 
 	      c = string[startpos];
               c &= 0xff;
-	      if ((bufp->options&(RE_OPTION_IGNORECASE|RE_MAY_IGNORECASE)) ?
-		  !fastmap[translate[c]] : !fastmap[c])
+	      if (TRY_TRANSLATE() ? !fastmap[translate[c]] : !fastmap[c])
 		goto advance;
 	    }
 	}
@@ -3394,6 +3384,7 @@ re_match(bufp, string_arg, size, pos, regs)
 	  continue;
 
         case casefold_on:
+	  bufp->options |= RE_MAY_IGNORECASE;
 	  options |= RE_OPTION_IGNORECASE;
 	  continue;