blog.gitignore: update gitignore example

site/blog/2024-09-30-gitignore.md

@@ -98,18 +98,21 @@ You change your gitignore to this:
 
 !.gitignore
 
-!src/*.rs
+# whitelist `src` directories and their children, regardless of place
+!src/**/
+!src/**/*.rs
 !Cargo.{toml,lock}
 
-!pysrc/*.py
+# whitelist root `pysrc` directory
+!/pysrc/*.py
 !pyproject.toml
 !poetry.lock
 
-!cmd/*.go
+!/cmd/*.go
 !main.go
 !go.{mod,sum}
 
-!docs/*.md
+!/docs/*.md
 ```
 
 Now, nobody can accidentally commit undesired files, as git automatically

site/blog/2025-07-21-3-json.md

@@ -26,8 +26,9 @@ Oops (from the `tree`version 2.0.2 release notes):
 >   the environment variable STDDATA_FD is present or set to the descriptor to
 >   produce the JSON output on.
 
-Unix is a mess. But it's still cool we can have `tree` output structured data
-using `STDDATA_FD`:
+Assuming anything about the users environment is and will always be a mistake.
+But it's still cool we can have `tree` output structured data using
+`STDDATA_FD`:
 
 ```json
 > STDDATA_FD=1 tree