feat: s replaces a cells contents

docs: document supported spreadsheet formats

README.md

@@ -35,6 +35,13 @@ Options:
 sheetui path/to/file.xlsx # edit/view a spreadsheet
 ```
 
+### Supported files
+
+Currently we only support the [ironcalc](https://docs.ironcalc.com/) xlsx
+features for spreadsheet. CSV import and expor are planned.
+
+### Screenshot
+
 <img src="./assets/screenshot.png" />
 
 ## Reference

docs/index.md

@@ -20,6 +20,13 @@ Options:
   -V, --version                        Print version
 ```
 
+## Supported formats
+
+Currently we only support the [ironcalc](https://docs.ironcalc.com/) xlsx
+features for spreadsheet. I plan to handle csv import and export at some point.
+I also might support other export formats as well but for the moment just csv
+and it's variants such as tsv are in the roadmap.
+
 ## User Interface
 
 The sheetui user interface is loosely inspired by vim. It is a modal interface

src/ui/mod.rs

@@ -451,7 +451,6 @@ impl<'ws> Workspace<'ws> {
                 Ok(None)
             }
             Ok(Some(Cmd::Quit)) => {
-                // TODO(zaphar): We probably need to do better than this
                 Ok(Some(ExitCode::SUCCESS))
             }
             Ok(None) => {

src/ui/render/viewport.rs

@@ -155,7 +155,6 @@ impl<'ws> Viewport<'ws> {
                     let mut cells = vec![Cell::new(Text::from(ri.to_string()))];
                     cells.extend(visible_columns.iter().map(
                         |VisibleColumn { idx: ci, length: _ }| {
-                            // TODO(zaphar): Is this safe?
                             let content = self
                                 .book
                                 .get_cell_addr_rendered(&Address { row: ri, col: *ci })