Add support for the firstLineChars style in Word2007.

Author: ling

src/PhpWord/Style/Indentation.php

@@ -46,6 +46,13 @@ class Indentation extends AbstractStyle
      */
     private $firstLine = 0;
 
+    /**
+     * Additional first line chars indentation (twip).
+     *
+     * @var float|int
+     */
+    private $firstLineChars = 0;
+
     /**
      * Indentation removed from first line (twip).
      *
@@ -135,6 +142,29 @@ public function setFirstLine($value)
         return $this;
     }
 
+    /**
+     * Get first line chars.
+     *
+     * @return float|int
+     */
+    public function getFirstLineChars()
+    {
+        return $this->firstLineChars;
+    }
+
+    /**
+     * Set first line chars.
+     *
+     * @param float|int $value
+     *
+     * @return $this
+     */
+    public function setFirstLineChars($value)
+    {
+        $this->firstLineChars = $this->setNumericVal($value, $this->firstLineChars);
+        return $this;
+    }
+
     /**
      * Get hanging.
      *

src/PhpWord/Writer/Word2007/Style/Indentation.php

@@ -43,6 +43,9 @@ public function write(): void
         $firstLine = $style->getFirstLine();
         $xmlWriter->writeAttributeIf(null !== $firstLine, 'w:firstLine', $this->convertTwip($firstLine));
 
+        $firstLineChars = $style->getFirstLineChars();
+        $xmlWriter->writeAttributeIf(null !== $firstLineChars, 'w:firstLineChars', $this->convertTwip($firstLineChars));
+
         $hanging = $style->getHanging();
         $xmlWriter->writeAttributeIf(null !== $hanging, 'w:hanging', $this->convertTwip($hanging));