pr 587

src/final-JATS-schematron.sch

@@ -2953,7 +2953,9 @@
 
     </rule></pattern><pattern id="math-mi-tests-pattern"><rule context="mml:mi" id="math-mi-tests">
 
-      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test">[math-mi-space-test] <name/> element contains only text. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test">[math-mi-space-test] <name/> element contains only spaces. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+
+      <report test="not(*) and normalize-space(.)=''" role="error" id="math-mi-empty-test">[math-mi-empty-test] <name/> element is completely empty. This is not allowed.</report>
 
     </rule></pattern><pattern id="disp-formula-child-tests-pattern"><rule context="disp-formula/*" id="disp-formula-child-tests">
 

src/final-JATS-schematron.xsl

@@ -16364,7 +16364,21 @@
             </xsl:attribute>
             <svrl:text>[math-mi-space-test] <xsl:text/>
                <xsl:value-of select="name(.)"/>
-               <xsl:text/> element contains only text. Has "\" been used for space in the tex editor, instead of "\,"?</svrl:text>
+               <xsl:text/> element contains only spaces. Has "\" been used for space in the tex editor, instead of "\,"?</svrl:text>
+         </svrl:successful-report>
+      </xsl:if>
+
+		    <!--REPORT error-->
+      <xsl:if test="not(*) and normalize-space(.)=''">
+         <svrl:successful-report xmlns:svrl="http://purl.oclc.org/dsdl/svrl" test="not(*) and normalize-space(.)=''">
+            <xsl:attribute name="id">math-mi-empty-test</xsl:attribute>
+            <xsl:attribute name="role">error</xsl:attribute>
+            <xsl:attribute name="location">
+               <xsl:apply-templates select="." mode="schematron-select-full-path"/>
+            </xsl:attribute>
+            <svrl:text>[math-mi-empty-test] <xsl:text/>
+               <xsl:value-of select="name(.)"/>
+               <xsl:text/> element is completely empty. This is not allowed.</svrl:text>
          </svrl:successful-report>
       </xsl:if>
       <xsl:apply-templates select="*" mode="M208"/>

src/final-package-JATS-schematron.sch

@@ -2959,7 +2959,9 @@
 
     </rule></pattern><pattern id="math-mi-tests-pattern"><rule context="mml:mi" id="math-mi-tests">
 
-      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test"><name/> element contains only text. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test"><name/> element contains only spaces. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+
+      <report test="not(*) and normalize-space(.)=''" role="error" id="math-mi-empty-test"><name/> element is completely empty. This is not allowed.</report>
 
     </rule></pattern><pattern id="disp-formula-child-tests-pattern"><rule context="disp-formula/*" id="disp-formula-child-tests">
 

src/pre-JATS-schematron.sch

@@ -2898,7 +2898,9 @@
 
     </rule></pattern><pattern id="math-mi-tests-pattern"><rule context="mml:mi" id="math-mi-tests">
 
-      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test">[math-mi-space-test] <name/> element contains only text. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+      <report test="matches(.,'^\p{Zs}$')" role="error" id="math-mi-space-test">[math-mi-space-test] <name/> element contains only spaces. Has "\" been used for space in the tex editor, instead of "\,"?</report>
+
+      <report test="not(*) and normalize-space(.)=''" role="error" id="math-mi-empty-test">[math-mi-empty-test] <name/> element is completely empty. This is not allowed.</report>
 
     </rule></pattern><pattern id="disp-formula-child-tests-pattern"><rule context="disp-formula/*" id="disp-formula-child-tests">