Update runtime files.
diff --git a/runtime/syntax/form.vim b/runtime/syntax/form.vim
index b8cb87c..9718480 100644
--- a/runtime/syntax/form.vim
+++ b/runtime/syntax/form.vim
@@ -85,7 +85,7 @@
syn region formString start=+"+ end=+"+ contains=formSpecial
syn region formString start=+'+ end=+'+
syn region formNestedString start=+`+ end=+'+ contains=formNestedString
-syn match formPreProc "^\=\#[a-zA-z][a-zA-Z0-9]*\>"
+syn match formPreProc "^\=\#[a-zA-Z][a-zA-Z0-9]*\>"
syn match formNumber "\<\d\+\>"
syn match formNumber "\<\d\+\.\d*\>"
syn match formNumber "\.\d\+\>"
@@ -94,13 +94,13 @@
syn match formNumber "i_\+\>"
syn match formNumber "fac_\+\>"
" pattern matching wildcards
-syn match formNumber "?[A-z0-9]*"
+syn match formNumber "?[a-zA-Z0-9]*"
" dollar-variables (new in 3.x)
-syn match formNumber "\\$[A-z0-9]*"
+syn match formNumber "\\$[a-zA-Z0-9]*"
" scalar products
-syn match formNumber "^\=[a-zA-z][a-zA-Z0-9]*\.[a-zA-z][a-zA-Z0-9]*\>"
+syn match formNumber "^\=[a-zA-Z][a-zA-Z0-9]*\.[a-zA-Z][a-zA-Z0-9]*\>"
-syn match formDirective "^\=\.[a-zA-z][a-zA-Z0-9]*\>"
+syn match formDirective "^\=\.[a-zA-Z][a-zA-Z0-9]*\>"
" hi User Labels
syn sync ccomment formComment minlines=10