Add flalign to default math environments

See #884.

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix spurious completion results when completing environments ([#883](https://github.com/latex-lsp/texlab/issues/883))
 - Fix regression when guessing cursor position after formatting ([#880](https://github.com/latex-lsp/texlab/issues/880))
 - Fix parsing `\verb` command ([#828](https://github.com/latex-lsp/texlab/issues/828))
+- Add `flalign` and `flalign*` to default list of math environments ([#884](https://github.com/latex-lsp/texlab/issues/884))
 
 ## [5.5.0] - 2023-04-16
 

crates/parser/src/config.rs

@@ -50,10 +50,10 @@ static DEFAULT_MATH_ENVIRONMENTS: &[&str] = &[
     "alignedat*",
     "array",
     "array*",
-    "Bmatrix",
-    "Bmatrix*",
     "bmatrix",
+    "Bmatrix",
     "bmatrix*",
+    "Bmatrix*",
     "cases",
     "cases*",
     "CD",
@@ -62,14 +62,14 @@ static DEFAULT_MATH_ENVIRONMENTS: &[&str] = &[
     "eqnarray*",
     "equation",
     "equation*",
-    "IEEEeqnarray",
-    "IEEEeqnarray*",
-    "subequations",
-    "subequations*",
+    "flalign",
+    "flalign*",
     "gather",
     "gather*",
     "gathered",
     "gathered*",
+    "IEEEeqnarray",
+    "IEEEeqnarray*",
     "matrix",
     "matrix*",
     "multline",
@@ -82,10 +82,12 @@ static DEFAULT_MATH_ENVIRONMENTS: &[&str] = &[
     "split*",
     "subarray",
     "subarray*",
-    "Vmatrix",
-    "Vmatrix*",
+    "subequations",
+    "subequations*",
     "vmatrix",
+    "Vmatrix",
     "vmatrix*",
+    "Vmatrix*",
 ];
 
 static DEFAULT_ENUM_ENVIRONMENTS: &[&str] = &["enumerate", "itemize", "description"];