B375 correct tex combined solutions (#43)

Author: jarkabaker

index.ts

@@ -130,7 +130,7 @@ export const handler = async function (
         const filenamePDF = `${eachRequestData.fileName}.pdf`;
         const localPathPDF = `/tmp/${filenamePDF}`;
         const generatePDFResult = await generateFile(
-          ["--pdf-engine=pdflatex", `--template=./template.latex`],
+          ["--pdf-engine=xelatex", `--template=./template.latex`],
           localPathPDF,
           markdown
         );
@@ -145,7 +145,6 @@ export const handler = async function (
       case "TEX":
         const filenameTEX = `${eachRequestData.fileName}.tex`;
         const localPathTEX = `/tmp/${filenameTEX}`;
-
         await generateFile(
           [`--template=./template.latex`],
           localPathTEX,

src/template.latex

@@ -212,7 +212,9 @@ $endif$
 \renewcommand{\rule}[2]{
 \OldRule{\linewidth}{#2}}% Emile Touber's horizontal rule
 
+\usepackage{xcolor}
 \newcommand{\lambdalabel}[1]{}
+\newcommand{\lambdastep}{\\\textcolor[rgb]{0.9, 0.9, 0.9}{\rule{\linewidth}{0.5mm}}\\}
 
 % Conditional inclusion of pifont package
 \IfFileExists{pifont.sty}{%