message: Report overfull messages when \ouput is active
diff: @@ -10,6 +10,7 @@ const latexFatalPattern = /Fatal error occurred, no output PDF file produced!/gm
  const latexError = /^(?:(.*):(\d+):|!)(?: (.+) Error:)? (.+?)$/
  const latexBox = /^((?:Over|Under)full \\[vh]box \([^)]*\)) in paragraph at lines (\d+)--(\d+)$/
  const latexBoxAlt = /^((?:Over|Under)full \\[vh]box \([^)]*\)) detected at line (\d+)$/
  +const latexBoxOutput = /^((?:Over|Under)full \\[vh]box \([^)]*\)) has occurred while \\output is active/
  const latexWarn = /^((?:(?:Class|Package) \S*)|LaTeX) (Warning|Info|Font Warning):\s+(.*?)(?: on input line (\d+))?(\.|\?|)$/
  const latexPackageWarningExtraLines = /^\((.*)\)\s+(.*?)(?: +on input line (\d+))?(\.)?$/
  const bibEmpty = /^Empty `thebibliography' environment/
  @@ -204,6 +205,20 @@ export class Parser {
  insideBoxWarn = true
  continue
  }
  + result = line.match(latexBoxOutput)
  + if (result && configuration.get('message.badbox.show')) {
  + if (currentResult.type !== '') {
  + this.buildLog.push(currentResult)
  + }
  + currentResult = {
  + type: 'typesetting',
  + file: filename,
  + line: 1,
  + text: result[1]
  + }
  + searchesEmptyLine = false
  + continue
  + }
  result = line.match(latexWarn)
  if (result) {
  if (currentResult.type !== '') {
  