latex: update queries

Make use of parser updates
* add `\{re}newenvironment`
* add `\DeclarePairedDelimiter{X}`
* add `\title` and `\author`
* add optional arguments to sectioning commands
* use builtin nodes for math environments

queries/latex/folds.scm

@@ -8,6 +8,7 @@
   (subparagraph)
 
   (generic_environment)
+  (math_environment)
   (comment_environment)
   (displayed_equation)
 ] @fold

queries/latex/highlights.scm

@@ -32,35 +32,11 @@
 ;; General environments
 (begin
  command: _ @text.environment
- name: (curly_group_text
-         (text) @text.environment.name)
-  (#not-any-of? @text.environment.name
-      "displaymath" "displaymath*"
-      "equation" "equation*"
-      "multline" "multline*"
-      "eqnarray" "eqnarray*"
-      "align" "align*"
-      "array" "array*"
-      "split" "split*"
-      "alignat" "alignat*"
-      "gather" "gather*"
-      "flalign" "flalign*"))
+ name: (curly_group_text (text) @text.environment.name))
 
 (end
  command: _ @text.environment
- name: (curly_group_text
-         (text) @text.environment.name)
-  (#not-any-of? @text.environment.name
-      "displaymath" "displaymath*"
-      "equation" "equation*"
-      "multline" "multline*"
-      "eqnarray" "eqnarray*"
-      "align" "align*"
-      "array" "array*"
-      "split" "split*"
-      "alignat" "alignat*"
-      "gather" "gather*"
-      "flalign" "flalign*"))
+ name: (curly_group_text (text) @text.environment.name))
 
 ;; Definitions and references
 (new_command_definition
@@ -73,10 +49,18 @@
  command: _ @function.macro
  declaration: (_) @function)
 
+(environment_definition
+ command: _ @function.macro
+ name: (curly_group_text (_) @text.reference))
+
 (theorem_definition
  command: _ @function.macro
  name: (curly_group_text (_) @text.environment.name))
 
+(paired_delimiter_definition
+ command: _ @function.macro
+ declaration: (curly_group_command_name (_) @function))
+
 (label_definition
  command: _ @function.macro
  name: (curly_group_text (_) @text.reference))
@@ -121,69 +105,65 @@
 [
  (displayed_equation)
  (inline_formula)
+ (math_set)
 ] @text.math
 
-((generic_environment
+(math_environment
   (begin
    command: _ @text.math
-   name: (curly_group_text
-           (text) @_env))) @text.math
-   (#any-of? @_env
-      "displaymath" "displaymath*"
-      "equation" "equation*"
-      "multline" "multline*"
-      "eqnarray" "eqnarray*"
-      "align" "align*"
-      "array" "array*"
-      "split" "split*"
-      "alignat" "alignat*"
-      "gather" "gather*"
-      "flalign" "flalign*"))
-((generic_environment
+   name: (curly_group_text (text) @text.math)))
+
+(math_environment
   (end
    command: _ @text.math
-   name: (curly_group_text
-           (text) @_env))) @text.math
-   (#any-of? @_env
-      "displaymath" "displaymath*"
-      "equation" "equation*"
-      "multline" "multline*"
-      "eqnarray" "eqnarray*"
-      "align" "align*"
-      "array" "array*"
-      "split" "split*"
-      "alignat" "alignat*"
-      "gather" "gather*"
-      "flalign" "flalign*"))
+   name: (curly_group_text (text) @text.math)))
 
 ;; Sectioning
+(title_declaration
+  command: _ @namespace
+  options: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
+
+(author_declaration
+  command: _ @namespace
+  authors: (curly_group_author_list
+             ((command_name)? @function)
+             ((author)+ @text.title)))
+
 (chapter
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (part
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (section
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (subsection
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (subsubsection
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (paragraph
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 (subparagraph
   command: _ @namespace
-  text: (curly_group) @text.title)
+  toc: (brack_group (_) @text.title)?
+  text: (curly_group (_) @text.title))
 
 ;; Beamer frames
 (generic_environment