convert escaped backslash in INCLUDEPICTURE to forward slash, https:/…

…/redmine.le-tex.de/issues/15394

xsl/wml2dbk.xsl

@@ -1162,11 +1162,15 @@
  <xsl:attribute name="docx2hub:field-function" select="'yes'"/>
  <xsl:apply-templates select="(.//@srcpath)[1]" mode="#current"/>
  <imageobject>
- <imagedata fileref="{if (tokenize(@fldArgs, ' ')[matches(.,'^&#x22;.*&#x22;$')]) 
- then replace(tokenize(@fldArgs, ' ')[matches(.,'^&#x22;.*&#x22;$')][1],'&#x22;','') 
- else if (matches(@fldArgs,'&#x22;.*&#x22;')) 
- then tokenize(@fldArgs,'&#x22;')[2] 
- else tokenize(@fldArgs, ' ')[2]}">
+ <xsl:variable name="deduplicate-backslash" as="xs:string" select="replace(@fldArgs, '\\\\', '/')">
+ <!-- https://redmine.le-tex.de/issues/15394 -->
+ <!-- Named template 'create-imageobject' in images.xsl does the same -->
+ </xsl:variable>
+ <imagedata fileref="{if (tokenize($deduplicate-backslash, ' ')[matches(.,'^&#x22;.*&#x22;$')]) 
+ then replace(tokenize($deduplicate-backslash, ' ')[matches(.,'^&#x22;.*&#x22;$')][1],'&#x22;','') 
+ else if (matches($deduplicate-backslash,'&#x22;.*&#x22;')) 
+ then tokenize($deduplicate-backslash,'&#x22;')[2] 
+ else tokenize($deduplicate-backslash, ' ')[2]}">
  <xsl:apply-templates select=".//@css:width | .//@css:height" mode="#current"/>
  </imagedata>
  </imageobject>