Q50588: Controlling the Use of Tabs in the Microsoft Editor
Article: Q50588 Product(s): See article Version(s): 1.00 1.02 | 1.00 1.02 Operating System(s): MS-DOS | OS/2 Keyword(s): ENDUSER | | mspl13_basic Last Modified: 30-NOV-1989 The Microsoft Editor (M) provides the following two ways of using tab characters: 1. Treat tabs as real characters. 2. Convert each tab into a series of spaces. This is controlled through the use of the "realtabs" switch. Other switches may also effect the way tabs appear to be handled by the editor. The following chart, taken from Section 7.2.6 of "Microsoft Editor for MS OS/2 and MS-DOS User's Guide" describes the switches dealing with tabs. 1. realtabs On by default, controls whether or not tabs are treated as real tab characters. 2. entab Controls the extent to which the editor converts a series of tabs and spaces to tabs when saving a file. The following are the valid choices: 0 - The editor does not replace spaces by tabs. If realtabs is off, tabs are converted to spaces. 1 - (default) The editor can replace a series of tabs and spaces by tabs when the tabs fall outside of quoted strings. 2 - The editor will replace all series of tabs and spaces with tabs. Note: The entab switch only effects the lines you modify during the current editing session. 3. filetab Controls the meaning of tab characters on a disk file. If realtabs is on, the filetab switch determines tab alignment. If realtabs is off, the filetab switch determines how the editor translates tab characters to spaces when a line of text is modified. If entab, as described above, is set to 1 or 2, filetab also determines how the editor translates spaces to tabs when you save the file to disk. Note: The filetab switch only effects the lines you modify during the current editing session. 4. tabalign When off (the default), the cursor may be placed anywhere inside a column of a tab character. If turned on, along with realtabs, the cursor is placed to the first column position of tab characters. 5. tabstops Determines the size of columns associated with the TAB and BACKTAB ( SHIFT+TAB) keys. This only moves the cursor and has no effect on the actual tab character. The default value is 4. The following example sets up tabs so that they act the same way they do in other editors, such as QuickC or Word: realtabs:yes tabalign:yes graphic:tab trailspace:yes filetab:4 The trailspace switch is needed to use tabs on blank lines. The tabdisp switch may also be used with realtabs to make the tab characters visible on the screen.
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