docs: fix more treesitter parsing errors

runtime/doc/ft_sql.txt

@@ -293,7 +293,7 @@ loaded by Vim: >
     ftplugin/sql.vim
     syntax/sqlinformix.vim
     indent/sql.vim
->
+<
 Notice indent/sqlinformix.sql was not loaded.  There is no indent file
 for Informix, Vim loads the default files if the specified files does not
 exist.
@@ -349,7 +349,7 @@ The defaults static maps are: >
 The use of "<C-C>" can be user chosen by using the following in your |init.vim|
 as it may not work properly on all platforms: >
     let g:ftplugin_sql_omni_key = '<C-C>'
->
+<
 The static maps (which are based on the syntax highlight groups) follow this
 format: >
     imap <buffer> <C-C>k <C-\><C-O>:call sqlcomplete#Map('sqlKeyword')<CR><C-X><C-O>
@@ -664,7 +664,7 @@ your |init.vim|: >
 	  filetype is changed temporarily to SQL, the sqlcompletion plugin
 	  will cache the syntax groups listed in the List specified in this
 	  option.
->
+
 
 ------------------------------------------------------------------------------
 4.5 SQL Maps					*sql-completion-maps*

runtime/doc/index.txt

@@ -366,7 +366,7 @@ tag		char	      note action in Normal mode	~
 				   or start of putted text
 |`]|		`]		1  cursor to the end of last operated text or
 				   end of putted text
-|``|		``		1  cursor to the position before latest jump
+|``|		"``"		1  cursor to the position before latest jump
 |`{|		`{		1  cursor to the start of the current paragraph
 |`}|		`}		1  cursor to the end of the current paragraph
 |a|		a		2  append text after the cursor N times
@@ -1136,7 +1136,7 @@ tag		command		action ~
 |:!!|		:!!		repeat last ":!" command
 |:#|		:#		same as ":number"
 |:&|		:&		repeat last ":substitute"
-|:star|		:*		use the last Visual area, like :'<,'>
+|:star|		:*		use the last Visual area, like ":'<,'>"
 |:<|		:<		shift lines one 'shiftwidth' left
 |:=|		:=		print the last line number
 |:>|		:>		shift lines one 'shiftwidth' right

runtime/doc/usr_29.txt

@@ -87,7 +87,7 @@ The ":tags" command shows the list of tags that you traversed through:
 	  1  1 write_line	   8  write_block.c ~
 	  2  1 write_char	   7  write_line.c ~
 	> ~
->
+<
 Now to go back.  The CTRL-T command goes to the preceding tag.  In the example
 above you get back to the "write_line" function, in the call to "write_char".
    This command takes a count argument that indicates how many tags to jump