allow data models without name

rendercv/themes/classic/Header.j2.tex

@@ -2,7 +2,7 @@
 ((* if design.show_last_updated_date *))
 \placelastupdatedtext
 ((* endif *))
-
+((* if cv.name is not none *))
 \begin{header}
     \fontsize{<<design.header_font_size>>}{<<design.header_font_size>>}
     ((* if orcid_url *))
@@ -49,3 +49,4 @@
 \end{header}
 
 \vspace{<<design.margins.header.bottom>>}
+((* endif *))

rendercv/themes/classic/Preamble.j2.tex

@@ -35,9 +35,9 @@
 \setcounter{secnumdepth}{0} % no section numbering
 \setlength{\parindent}{0pt} % no indentation
 \setlength{\topskip}{0pt} % no top skip
-((* if disable_page_numbering *))
+((* if design.disable_page_numbering *))
 \pagenumbering{gobble} % no page numbering
-((* endif *))
+((* else *))
 ((* set page_numbering_style_placeholders = {
     "NAME": cv.name,
     "PAGE_NUMBER": "\\thepage{}",
@@ -50,6 +50,7 @@
 }{}{} % replace number by desired string
 \makeatother
 \pagestyle{customFooterStyle}
+((* endif *))
 
 \titleformat{\section}{
         % make the font size of the section title large and color it with the primary color

rendercv/themes/moderncv/Header.j2.tex

@@ -1,4 +1,7 @@
+((* if cv.name is not none *))
 \maketitle
+((* endif *))
+
 
 % save the original href command in a new command:
 \let\hrefWithoutArrow\href

rendercv/themes/sb2nov/Header.j2.tex

@@ -3,6 +3,7 @@
 \placelastupdatedtext
 ((* endif *))
 
+((* if cv.name is not none *))
 {
     \centering
     \textbf{\fontsize{<<design.header_font_size>>}{<<design.header_font_size>>}\selectfont
@@ -54,6 +55,7 @@
 }
 
 \vspace{<<design.margins.header.bottom>>}
+((* endif *))
 
 % save the original href command in a new command:
 \let\hrefWithoutArrow\href

rendercv/themes/sb2nov/Preamble.j2.tex

@@ -35,9 +35,7 @@
 
 \pagestyle{fancy}
 \fancyhf{} % clear all header and footer fields
-((* if disable_page_numbering *))
-\pagenumbering{} % no page numbering
-((* else *))
+((* if not design.disable_page_numbering *))
 ((* set page_numbering_style_placeholders = {
     "NAME": cv.name,
     "PAGE_NUMBER": "\\thepage{}",