help text updates, and a few more miscellaneous fixes

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1996 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -122,6 +122,9 @@ CVS code -
 	  miscellaneous meta key sequence to be displayed in a shortcut
 	  that has a control key, a primary meta key sequence, and a
 	  miscellaneous meta key sequence, but no function key. (DLR)
+	- Update the help text to mention replacing and spell checking
+	  only selected text, and also add a few cosmetic fixes to it.
+	  (DLR)
   do_int_spell_fix()
 	- Move the REVERSE_SEARCH flag toggling into the NANO_SMALL
 	  #ifdef, since the tiny version of nano doesn't support reverse
@@ -188,6 +191,10 @@ CVS code -
 	  wholewords, not after all other parameters. (DLR)
 	- Maintain current_y's value when moving up or down lines so
 	  that smooth scrolling works correctly. (DLR)
+- utils.c:
+  regexp_bol_or_eol()
+	- Don't assume any longer that string will be found if
+	  REG_NOTBOL and REG_NOTEOL are not set. (DLR)
 - winio.c:
   unget_kbinput()
 	- New function used as a wrapper for ungetch(). (DLR)

src/nano.c

@@ -280,13 +280,15 @@ void help_init(void)
 	     || currshortcut == replace_list_2)
 	htx = N_("Search Command Help Text\n\n "
 		"Enter the words or characters you would like to search "
-		"for, then hit enter.  If there is a match for the text you "
+		"for, then hit Enter.  If there is a match for the text you "
 		"entered, the screen will be updated to the location of the "
-		"nearest match for the search string.\n\n "
+		"nearest match for the search string.\n\n The previous "
-		"The previous search string will be shown in brackets after "
+		"search string will be shown in brackets after the search "
-		"the Search: prompt.  Hitting Enter without entering any text "
+		"prompt.  Hitting Enter without entering any text will "
-		"will perform the previous search.\n\n The following function "
+		"perform the previous search.  If you have selected text "
-		"keys are available in Search mode:\n\n");
+		"with the mark and then search to replace, only matches in "
+		"the selected text will be replaced.\n\n The following "
+		"function keys are available in Search mode:\n\n");
     else if (currshortcut == gotoline_list)
 	htx = N_("Go To Line Help Text\n\n "
 		"Enter the line number that you wish to go to and hit "
@@ -312,7 +314,7 @@ void help_init(void)
 	htx = N_("Write File Help Text\n\n "
 		"Type the name that you wish to save the current file "
 		"as and hit Enter to save the file.\n\n If you have "
-		"selected text with Ctrl-^, you will be prompted to "
+		"selected text with the mark, you will be prompted to "
 		"save only the selected portion to a separate file.  To "
 		"reduce the chance of overwriting the current file with "
 		"just a portion of it, the current filename is not the "
@@ -334,7 +336,7 @@ void help_init(void)
 	htx = N_("Browser Go To Directory Help Text\n\n "
 		"Enter the name of the directory you would like to "
 		"browse to.\n\n If tab completion has not been disabled, "
-		"you can use the TAB key to (attempt to) automatically "
+		"you can use the Tab key to (attempt to) automatically "
 		"complete the directory name.\n\n The following function "
 		"keys are available in Browser Go To Directory mode:\n\n");
 #endif
@@ -346,8 +348,9 @@ void help_init(void)
 		"encountered, it is highlighted and a replacement can "
 		"be edited.  It will then prompt to replace every "
 		"instance of the given misspelled word in the "
-		"current file.\n\n The following other functions are "
+		"current file, or, if you have selected text with the "
-		"available in Spell Check mode:\n\n");
+		"mark, in the selected text.\n\n The following other "
+		"functions are available in Spell Check mode:\n\n");
 #endif
 #ifndef NANO_SMALL
     else if (currshortcut == extcmd_list)
@@ -1125,7 +1128,7 @@ void do_enter(void)
 void do_next_word(void)
 {
     size_t old_pww = placewewant;
-    const filestruct *current_save = current;
+    const filestruct *old_current = current;
     assert(current != NULL && current->data != NULL);
 
     /* Skip letters in this word first. */
@@ -1148,16 +1151,15 @@ void do_next_word(void)
 
     placewewant = xplustabs();
 
-    /* Refresh the screen.  If current has run off the bottom, this
+    /* Update the screen. */
-     * call puts it at the center line. */
+    edit_redraw(old_current, old_pww);
-    edit_redraw(current_save, old_pww);
 }
 
 /* The same thing for backwards. */
 void do_prev_word(void)
 {
     size_t old_pww = placewewant;
-    const filestruct *current_save = current;
+    const filestruct *old_current = current;
     assert(current != NULL && current->data != NULL);
 
     /* Skip letters in this word first. */
@@ -1185,9 +1187,8 @@ void do_prev_word(void)
 
     placewewant = xplustabs();
 
-    /* Refresh the screen.  If current has run off the top, this call
+    /* Update the screen. */
-     * puts it at the center line. */
+    edit_redraw(old_current, old_pww);
-    edit_redraw(current_save, old_pww);
 }
 
 void do_mark(void)

src/utils.c

@@ -44,12 +44,10 @@ int regexec_safe(const regex_t *preg, const char *string, size_t nmatch,
 #define regexec(preg, string, nmatch, pmatch, eflags) regexec_safe(preg, string, nmatch, pmatch, eflags)
 #endif /* BROKEN_REGEXEC */
 
-/* Assume that string will be found by regexec() if the REG_NOTBOL and
- * REG_NOTEOL flags are not set. */
 int regexp_bol_or_eol(const regex_t *preg, const char *string)
 {
-    return (regexec(preg, string, 0, NULL, REG_NOTBOL | REG_NOTEOL) ==
+    return (regexec(preg, string, 0, NULL, 0) == 0 &&
-	REG_NOMATCH);
+	regexec(preg, string, 0, NULL, REG_NOTBOL | REG_NOTEOL) ==
 }
 #endif /* HAVE_REGEX_H */