Updated snippet placeholder transform documentation to be less confus…

…ing.

docs/api.md

@@ -8543,25 +8543,26 @@ The end tag mirrors whatever name you type into the start tag.
 Sometimes mirrors are not quite good enough. For example, perhaps the mirror's content needs to
 deviate slightly from its linked placeholder, like capitalizing the first letter. Or perhaps
 the mirror's contents should depend on the presence (or absence) of text in its linked
-placeholder. This is where placeholder transforms come in handy. They have the following
-syntax: "${*n*/*regex*/*format*/*options*}". *regex* is a [regular expression][] (regex)
-to match against the content of placeholder *n*, *format* is a formatted replacement for
-matched content, and *options* are regex options to use when matching. *format* may contain
-any of the following:
+placeholder. This is where placeholder transforms come in handy.
+
+Transforms use the "${*n*/*regex*/*format*/*options*}" syntax, where *regex* is a [regular
+expression][] (regex) to match against the content of placeholder *n*, *format* is a formatted
+replacement for matched content, and *options* are regex options to use when matching. *format*
+may contain any of the following:
 
 - Plain text.
-- "$*n*" and "${*n*}" sequences, which represent the content of the *n*th capture (*n*=0 is
+- "$*m*" and "${*m*}" sequences, which represent the content of the *m*th capture (*m*=0 is
 	the entire match for this and all subsequent sequences).
-- "${*n*:/upcase}", "${*n*:/downcase}", and "${*n*:/capitalize}" sequences, which
+- "${*m*:/upcase}", "${*m*:/downcase}", and "${*m*:/capitalize}" sequences, which
 	represent the uppercase, lowercase, and capitalized forms, respectively, of the
-	content of the *n*th capture. You can define your own transformation function in
+	content of the *m*th capture. You can define your own transformation function in
 	[`textadept.snippets.transform_methods`](#textadept.snippets.transform_methods).
-- A "${*n*:?*if*:*else*}" sequence, which inserts *if* if the content of capture *n* is
+- A "${*m*:?*if*:*else*}" sequence, which inserts *if* if the content of capture *m* is
 	non-empty. Otherwise, *else* is used.
-- A "${*n*:+*if*}" sequence, which inserts *if* if the content of capture *n* is
+- A "${*m*:+*if*}" sequence, which inserts *if* if the content of capture *m* is
 	non-empty. Otherwise nothing is inserted.
-- "${*n*:*default*}" and "${*n*:-*default*}" sequences, which insert *default* if the content
-	of capture *n* is empty. Otherwise, capture *n* is mirrored.
+- "${*m*:*default*}" and "${*m*:-*default*}" sequences, which insert *default* if the content
+	of capture *m* is empty. Otherwise, capture *m* is mirrored.
 
 *options* may include any of the following letters:
 

modules/textadept/snippets.lua

@@ -112,25 +112,26 @@
 -- Sometimes mirrors are not quite good enough. For example, perhaps the mirror's content needs to
 -- deviate slightly from its linked placeholder, like capitalizing the first letter. Or perhaps
 -- the mirror's contents should depend on the presence (or absence) of text in its linked
--- placeholder. This is where placeholder transforms come in handy. They have the following
--- syntax: "${*n*/*regex*/*format*/*options*}". *regex* is a [regular expression][] (regex)
--- to match against the content of placeholder *n*, *format* is a formatted replacement for
--- matched content, and *options* are regex options to use when matching. *format* may contain
--- any of the following:
+-- placeholder. This is where placeholder transforms come in handy.
+--
+-- Transforms use the "${*n*/*regex*/*format*/*options*}" syntax, where *regex* is a [regular
+-- expression][] (regex) to match against the content of placeholder *n*, *format* is a formatted
+-- replacement for matched content, and *options* are regex options to use when matching. *format*
+-- may contain any of the following:
 --
 -- - Plain text.
--- - "$*n*" and "${*n*}" sequences, which represent the content of the *n*th capture (*n*=0 is
+-- - "$*m*" and "${*m*}" sequences, which represent the content of the *m*th capture (*m*=0 is
 --	the entire match for this and all subsequent sequences).
--- - "${*n*:/upcase}", "${*n*:/downcase}", and "${*n*:/capitalize}" sequences, which
+-- - "${*m*:/upcase}", "${*m*:/downcase}", and "${*m*:/capitalize}" sequences, which
 --	represent the uppercase, lowercase, and capitalized forms, respectively, of the
---	content of the *n*th capture. You can define your own transformation function in
+--	content of the *m*th capture. You can define your own transformation function in
 --	`textadept.snippets.transform_methods`.
--- - A "${*n*:?*if*:*else*}" sequence, which inserts *if* if the content of capture *n* is
+-- - A "${*m*:?*if*:*else*}" sequence, which inserts *if* if the content of capture *m* is
 --	non-empty. Otherwise, *else* is used.
--- - A "${*n*:+*if*}" sequence, which inserts *if* if the content of capture *n* is
+-- - A "${*m*:+*if*}" sequence, which inserts *if* if the content of capture *m* is
 --	non-empty. Otherwise nothing is inserted.
--- - "${*n*:*default*}" and "${*n*:-*default*}" sequences, which insert *default* if the content
---	of capture *n* is empty. Otherwise, capture *n* is mirrored.
+-- - "${*m*:*default*}" and "${*m*:-*default*}" sequences, which insert *default* if the content
+--	of capture *m* is empty. Otherwise, capture *m* is mirrored.
 --
 -- *options* may include any of the following letters:
 --