kde syntax highlighting for ledger files

ledger.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd"
[
	<!ENTITY more "(_\d+)*">
	<!ENTITY int  "[+-]?(0|[1-9]\d*)&more;">
	<!ENTITY frac "\.\d+&more;">
	<!ENTITY exp  "[eE][+-]?\d+&more;">
	
	<!ENTITY offset   "[+-]\d\d:\d\d">
	<!ENTITY time     "\d\d:\d\d:\d\d(\.\d+)?(&offset;|Z)?">
	<!ENTITY datetime "\d\d\d\d-\d\d-\d\d(T&time;)?">
]>
<language name="Ledger" section="Other" extensions="*.ledger" version="1" kateversion="5.0" author="azrdev@googlemail.com" license="MIT">
<!-- https://www.ledger-cli.org/3.0/doc/ledger3.html#Journal-File-Format-for-Developers -->
<highlighting>
	<contexts>
		<context attribute="Error" lineEndContext="#stay" name="Ledger">
			<DetectSpaces attribute="Whitespace"/>
			<AnyChar String="0123456789" column="0" lookAhead="true" attribute="Date" context="TransactionHeader" endRegion="Transaction" beginRegion="Transaction"/>
			<AnyChar String="=~" attribute="Clearing" context="TransactionHeader" />
			<IncludeRules context="DetectComment" endRegion="Transaction" />
		</context>
		<context attribute="Error" lineEndContext="Transaction" name="TransactionHeader">
			<RegExpr String="\d\d\d\d[/-]\d\d[/-]\d\d" attribute="Date" />
			<DetectSpaces attribute="Whitespace"/>
			<DetectChar char="!" attribute="Clearing"/>
			<DetectChar char="*" attribute="Clearing"/>
			<DetectChar char="=" attribute="Clearing"/>
			<RegExpr String=".*$" attribute="Header"/>
		</context>
		<context attribute="Error" lineEndContext="TransactionContinue" name="Transaction">
			<DetectSpaces attribute="Whitespace"/>
			<DetectIdentifier attribute="Account"/>
			<DetectChar char=":" attribute="AccountSeparator"/>
			<RegExpr String="-?\s*\d+([,\.]\d*)?\s*.?" attribute="Amount" />
			<IncludeRules context="DetectComment" />
		</context>
		<context attribute="Error" lineEndContext="#stay" name="TransactionContinue">
			<DetectSpaces attribute="Whitespace" context="Transaction" />
			<IncludeRules context="Ledger" />
		</context>
		<context attribute="Comment" name="DetectComment">
			<AnyChar String=";#%|*" attribute="Comment" context="Comment" firstNonSpace="true" />
		</context>
		<context attribute="Comment" lineEndContext="#pop" name="Comment">
			<DetectSpaces/>
			<DetectIdentifier/>
		</context>
	</contexts>
	<itemDatas>
		<itemData name="Normal Text" defStyleNum="dsNormal"/>
		<itemData name="Date"        defStyleNum="dsBaseN"/>
		<itemData name="Clearing"    defStyleNum="dsNormal"/>
		<itemData name="Header"      defStyleNum="dsFunction"/>
		<itemData name="Account"     defStyleNum="dsVariable"/>
		<itemData name="AccountSeparator" defStyleNum="dsNormal"/>
		<itemData name="Amount"      defStyleNum="dsFloat"/>
		
		<itemData name="Whitespace"  defStyleNum="dsNormal"/>
		<itemData name="Error"       defStyleNum="dsError"/>
		<itemData name="Comment"     defStyleNum="dsComment"/>
	</itemDatas>
</highlighting>
<general>
	<comments>
		<comment name="singleLine" start=";" />
		<comment name="singleLine" start="#" />  <!-- TODO: those actually only if at start of line -->
		<comment name="singleLine" start="%" />
		<comment name="singleLine" start="|" />
		<comment name="singleLine" start="*" />
	</comments>
	<keywords casesensitive="false" wordWrapDeleiminator="" />
	<folding indentationsensitive="true" />
</general>
</language>