Enhance API description in comment

Close #14587

PowerEditor/src/MISC/PluginsManager/PluginsManager.cpp

@@ -815,7 +815,7 @@ bool PluginsManager::allocateCmdID(int numberRequired, int *start)
 
 	*start = _dynamicIDAlloc.allocate(numberRequired);
 
-	if (-1 == *start)
+	if (*start == -1)
 	{
 		*start = 0;
 		retVal = false;

PowerEditor/src/NppBigSwitch.cpp

@@ -682,7 +682,8 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			BufferID id = MainFileManager.getBufferFromName(longNameFullpath);
 			if (id != BUFFER_INVALID)
 				doReload(id, wParam != 0);
-			break;
+			
+			return TRUE;
 		}
 
 		case NPPM_SWITCHTOFILE :
@@ -1157,7 +1158,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			else if (_pEditView == &_subEditView)
 				*id = SUB_VIEW;
 			else
-				*id = -1;
+				*id = -1; // cannot happen
 			return TRUE;
 		}
 
@@ -1667,7 +1668,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			return TRUE;
 		}
 
-		case NPPM_DESTROYSCINTILLAHANDLE:
+		case NPPM_DESTROYSCINTILLAHANDLE_DEPRECATED:
 		{
 			//return _scintillaCtrls4Plugins.destroyScintilla(reinterpret_cast<HWND>(lParam));
 
@@ -2068,7 +2069,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 		{
 			int i;
 
-			if (lParam == SUB_VIEW)
+			if (lParam == SUB_VIEW) // priorityView is sub view, so we search in sub view firstly
 			{
 				if ((i = _subDocTab.getIndexByBuffer((BufferID)wParam)) != -1)
 				{
@@ -2076,6 +2077,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 					view <<= 30;
 					return view|i;
 				}
+
 				if ((i = _mainDocTab.getIndexByBuffer((BufferID)wParam)) != -1)
 				{
 					long view = MAIN_VIEW;
@@ -2083,7 +2085,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 					return view|i;
 				}
 			}
-			else
+			else // (lParam == SUB_VIEW): priorityView is main view, so we search in main view firstly
 			{
 				if ((i = _mainDocTab.getIndexByBuffer((BufferID)wParam)) != -1)
 				{
@@ -2091,6 +2093,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 					view <<= 30;
 					return view|i;
 				}
+
 				if ((i = _subDocTab.getIndexByBuffer((BufferID)wParam)) != -1)
 				{
 					long view = SUB_VIEW;
@@ -2913,7 +2916,7 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 			return _pluginsManager.relayPluginMessages(message, wParam, lParam);
 		}
 
-		case NPPM_ALLOCATESUPPORTED:
+		case NPPM_ALLOCATESUPPORTED_DEPRECATED:
 		{
 			return TRUE;
 		}

PowerEditor/src/Parameters.h

@@ -97,7 +97,17 @@ EolType convertIntToFormatType(int value, EolType defvalue = EolType::osdefault)
 
 
 
-enum UniMode {uni8Bit=0, uniUTF8=1, uni16BE=2, uni16LE=3, uniCookie=4, uni7Bit=5, uni16BE_NoBOM=6, uni16LE_NoBOM=7, uniEnd};
+enum UniMode {
+	uni8Bit       = 0,  // ANSI
+	uniUTF8       = 1,  // UTF-8 with BOM
+	uni16BE       = 2,  // UTF-16 Big Ending with BOM
+	uni16LE       = 3,  // UTF-16 Little Ending with BOM
+	uniCookie     = 4,  // UTF-8 without BOM
+	uni7Bit       = 5,  // 
+	uni16BE_NoBOM = 6,  // UTF-16 Big Ending without BOM
+	uni16LE_NoBOM = 7,  // UTF-16 Little Ending without BOM
+	uniEnd};
+
 enum ChangeDetect { cdDisabled = 0x0, cdEnabledOld = 0x01, cdEnabledNew = 0x02, cdAutoUpdate = 0x04, cdGo2end = 0x08 };
 enum BackupFeature {bak_none = 0, bak_simple = 1, bak_verbose = 2};
 enum OpenSaveDirSetting {dir_followCurrent = 0, dir_last = 1, dir_userDef = 2};

PowerEditor/src/ScintillaComponent/Buffer.cpp

@@ -1244,10 +1244,10 @@ SavingStatus FileManager::saveBuffer(BufferID id, const TCHAR* filename, bool is
 		if (isHiddenOrSys)
 			::SetFileAttributes(fullpath, attrib);
 
-		if (isCopy) // Save As command
+		if (isCopy) // "Save a Copy As..." command
 		{
 			_pscratchTilla->execute(SCI_SETDOCPOINTER, 0, _scratchDocDefault);
-			return SavingStatus::SaveOK;	//all done
+			return SavingStatus::SaveOK;	//all done - we don't change the current buffer's path to "fullpath", since it's "Save a Copy As..." action.
 		}
 
 		buffer->setFileName(fullpath);
@@ -1373,7 +1373,7 @@ BufferID FileManager::newPlaceholderDocument(const TCHAR* missingFilename, int w
 				"FileInaccessibleUserSession",
 				_pNotepadPlus->_pEditView->getHSelf(),
 				L"Some files from your manually-saved session \"$STR_REPLACE$\" are inaccessible. They can be opened as empty and read-only documents as placeholders.\n\nWould you like to create those placeholders?\n\nNOTE: Choosing not to create the placeholders or closing them later, your manually-saved session will NOT be modified on exit.",
-				L"File inaccessinble",
+				L"File inaccessible",
 				MB_YESNO | MB_APPLMODAL,
 				0,
 				userCreatedSessionName);
@@ -1384,7 +1384,7 @@ BufferID FileManager::newPlaceholderDocument(const TCHAR* missingFilename, int w
 				"FileInaccessibleDefaultSessionXml",
 				_pNotepadPlus->_pEditView->getHSelf(),
 				L"Some files from your past session are inaccessible. They can be opened as empty and read-only documents as placeholders.\n\nWould you like to create those placeholders?\n\nNOTE: Choosing not to create the placeholders or closing them later, your session WILL BE MODIFIED ON EXIT! We suggest you backup your \"session.xml\" now.",
-				L"File inaccessinble",
+				L"File inaccessible",
 				MB_YESNO | MB_APPLMODAL);
 		}