numfmt: update help to markdown syntax

src/uu/numfmt/numfmt.md

@@ -10,38 +10,38 @@ numfmt [OPTION]... [NUMBER]...
 
 Convert numbers from/to human-readable strings
 
-## Long Help
+## After Help
 
-UNIT options:
-   none   no auto-scaling is done; suffixes will trigger an error
+`UNIT` options:
+ - `none`: no auto-scaling is done; suffixes will trigger an error
+ - `auto`: accept optional single/two letter suffix:
 
-   auto   accept optional single/two letter suffix:
+       1K = 1000, 1Ki = 1024, 1M = 1000000, 1Mi = 1048576,
 
-          1K = 1000, 1Ki = 1024, 1M = 1000000, 1Mi = 1048576,
+ - `si`: accept optional single letter suffix:
 
-   si     accept optional single letter suffix:
+       1K = 1000, 1M = 1000000, ...
 
-          1K = 1000, 1M = 1000000, ...
+ - `iec`: accept optional single letter suffix:
 
-   iec    accept optional single letter suffix:
+       1K = 1024, 1M = 1048576, ...
 
-          1K = 1024, 1M = 1048576, ...
+- `iec-i`: accept optional two-letter suffix:
 
-   iec-i  accept optional two-letter suffix:
+       1Ki = 1024, 1Mi = 1048576, ...
 
-          1Ki = 1024, 1Mi = 1048576, ...
+`FIELDS` supports `cut(1)` style field ranges:
 
-FIELDS supports cut(1) style field ranges:
-  N    N'th field, counted from 1
-  N-   from N'th field, to end of line
-  N-M  from N'th to M'th field (inclusive)
-  -M   from first to M'th field (inclusive)
-  -    all fields
-Multiple fields/ranges can be separated with commas
+    N    N'th field, counted from 1
+    N-   from N'th field, to end of line
+    N-M  from N'th to M'th field (inclusive)
+    -M   from first to M'th field (inclusive)
+    -    all fields
 
-FORMAT must be suitable for printing one floating-point argument '%f'.
-Optional quote (%'f) will enable --grouping (if supported by current locale).
-Optional width value (%10f) will pad output. Optional zero (%010f) width
-will zero pad the number. Optional negative values (%-10f) will left align.
-Optional precision (%.1f) will override the input determined precision.
+Multiple fields/ranges can be separated with commas
 
+`FORMAT` must be suitable for printing one floating-point argument `%f`.
+Optional quote (`%'f`) will enable --grouping (if supported by current locale).
+Optional width value (`%10f`) will pad output. Optional zero (`%010f`) width
+will zero pad the number. Optional negative values (`%-10f`) will left align.
+Optional precision (`%.1f`) will override the input determined precision.

src/uu/numfmt/src/numfmt.rs

@@ -24,7 +24,7 @@ pub mod options;
 mod units;
 
 const ABOUT: &str = help_section!("about", "numfmt.md");
-const LONG_HELP: &str = help_section!("long help", "numfmt.md");
+const AFTER_HELP: &str = help_section!("after help", "numfmt.md");
 const USAGE: &str = help_usage!("numfmt.md");
 
 fn handle_args<'a>(args: impl Iterator<Item = &'a str>, options: &NumfmtOptions) -> UResult<()> {
@@ -262,7 +262,7 @@ pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(crate_version!())
         .about(ABOUT)
-        .after_help(LONG_HELP)
+        .after_help(AFTER_HELP)
         .override_usage(format_usage(USAGE))
         .allow_negative_numbers(true)
         .infer_long_args(true)