D25605.1734721016.diff
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D25605.1734721016.diff
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	diff --git a/src/infrastructure/markup/markuprule/PhutilRemarkupHexColorCodeRule.php b/src/infrastructure/markup/markuprule/PhutilRemarkupHexColorCodeRule.php
	--- a/src/infrastructure/markup/markuprule/PhutilRemarkupHexColorCodeRule.php
	+++ b/src/infrastructure/markup/markuprule/PhutilRemarkupHexColorCodeRule.php
	@@ -9,10 +9,13 @@

	public function apply($text) {
	// Match {#FFFFFF}
	- return preg_replace_callback(
	- '@\B\{(#([0-9a-fA-F]{3}){1,2})\}@',
	- array($this, 'markupHexColorCodedText'),
	- $text);
	+ if (is_string($text)) {
	+ return preg_replace_callback(
	+ '@\B\{(#([0-9a-fA-F]{3}){1,2})\}@',
	+ array($this, 'markupHexColorCodedText'),
	+ $text);
	+ }
	+ return $text;
	}

	protected function contrastingColor($color_code) {
	diff --git a/src/infrastructure/markup/markuprule/PhutilRemarkupRule.php b/src/infrastructure/markup/markuprule/PhutilRemarkupRule.php
	--- a/src/infrastructure/markup/markuprule/PhutilRemarkupRule.php
	+++ b/src/infrastructure/markup/markuprule/PhutilRemarkupRule.php
	@@ -18,6 +18,12 @@
	return 500.0;
	}

	+ /**
	+ * Check input whether to apply RemarkupRule. If true, apply formatting.
	+ * @param string\|PhutilSafeHTML String to check and potentially format.
	+ * @return string\|PhutilSafeHTML Unchanged input if no match, or input after
	+ * matching the formatting rule and applying the formatting.
	+ */
	abstract public function apply($text);

	public function getPostprocessKey() {