Minor documentation revisions from copyediting (#9266)

* typo: Revise "checkout" to "check out"

* typo: Change "seemlessly" to "seamlessly"

* typo: Close parentheses in "Using the tokenizer"

* typo: Add closing parenthesis to supported models aside

* docs: Treat ``position_ids`` as plural

Alternatively, the word "argument" could be added to make the subject singular.

* docs: Remove comma, making subordinate clause

* docs: Remove comma separating verb and direct object

* docs: Fix typo ("next" -> "text")

* docs: Reverse phrase order to simplify sentence

* docs: "quicktour" -> "quick tour"

* docs: "to throw" -> "from throwing"

* docs: Remove disruptive newline in padding/truncation section

* docs: "show exemplary" -> "show examples of"

* docs: "much harder as" -> "much harder than"

* docs: Fix typo "seach" -> "search"

* docs: Fix subject-verb disagreement in WordPiece description

* docs: Fix style in preprocessing.rst

docs/source/glossary.rst

@@ -226,7 +226,7 @@ Contrary to RNNs that have the position of each token embedded within them, tran
 each token. Therefore, the position IDs (``position_ids``) are used by the model to identify each token's position in
 the list of tokens.
 
-They are an optional parameter. If no ``position_ids`` is passed to the model, the IDs are automatically created as
+They are an optional parameter. If no ``position_ids`` are passed to the model, the IDs are automatically created as
 absolute positional embeddings.
 
 Absolute positional embeddings are selected in the range ``[0, config.max_position_embeddings - 1]``. Some models use