docs: Make more code lines shorter

doc_src/cmds/alias.rst

@@ -47,6 +47,7 @@ The following code will create ``rmi``, which runs ``rm`` with additional argume
         rm -i $argv
     end
     
-    # This needs to have the spaces escaped or "Chrome.app..." will be seen as an argument to "/Applications/Google":
+    # This needs to have the spaces escaped or "Chrome.app..."
+    # will be seen as an argument to "/Applications/Google":
     alias chrome='/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome banana'
 

doc_src/cmds/count.rst

@@ -34,7 +34,8 @@ Example
     # Returns the number of directories in the users PATH variable.
     
     count *.txt
-    # Returns the number of files in the current working directory ending with the suffix '.txt'.
+    # Returns the number of files in the current working directory
+    # ending with the suffix '.txt'.
 
     git ls-files --others --exclude-standard | count
     # Returns the number of untracked files in a git repository

doc_src/cmds/set.rst

@@ -135,7 +135,7 @@ Examples
     set foo banana (false)
     echo $status # prints 1, because of the "(false)" above.
     
-    # Like other shells, fish 3.1 supports this syntax for passing a variable to just one command:
+    # Like other shells, pass a variable to just one command:
     # Run fish with a temporary home directory.
     HOME=(mktemp -d) fish
     # Which is essentially the same as:

doc_src/cmds/while.rst

@@ -28,5 +28,6 @@ Example
 ::
 
     while test -f foo.txt; or test -f bar.txt ; echo file exists; sleep 10; end
-    # outputs 'file exists' at 10 second intervals as long as the file foo.txt or bar.txt exists.
+    # outputs 'file exists' at 10 second intervals,
+    # as long as the file foo.txt or bar.txt exists.