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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -33821,6 +33821,32 @@ when written out to the file. Conversely, when the edited file is read back, its newlines are converted to carriage returns, so that multi-line content is handled properly. (See the following section, Multi-Line Mode). +.NP* Undo + +The listener provides an undo feature. The Ctrl-O editing command will +restore the edit buffer contents and cursor position to the state in which +it was before a previous edit, or previous history navigation. + +Undo history is retained between lines. That is, after a line is submitted +with Enter, it is still possible to undo previous edits. Moreover, if a line +is canceled with Ctrl-C, such that it is not recorded in the recall history, it +is still available from the undo history. + +Undo is limited to 32 states. Furthermore, the undo history is lost +when \*(TX terminates. + +Undo doesn't restore previous contents of the clipboard buffer. + +Undo will restore edits made to history lines. It does so unconditionally, +which means that it can introduce edits in the following situation. +When a history line is edited and then sumbitted without navigating to +a different history line, the edit isn't permanent. However, when the +edits are retraced via undo, the restored states +.I are +stored in the history. + +There is no redo; undoing is permanent. + .SS* Visual Selection Mode The interactive listener supports visual copy and paste operation. |