escape special characters in filename

ftplugin/tex.vim

@@ -21,17 +21,17 @@ if !exists('s:neotex_loaded')
 	let s:neotex_loaded = 1
 endif
 
-let b:neotex_jobexe='cd ' . expand('%:p:h') . ' && '
+let b:neotex_jobexe=''
 
 if get(g:, 'neotex_latexdiff', 0)
 	let b:neotex_jobexe .= 'latexdiff '
 	if exists('neotex_latexdiff_options')
 		let b:neotex_jobexe .= g:neotex_latexdiff_options . ' '
 	endif
-	let b:neotex_jobexe .= expand('%:p') . ' ' . s:neotex_buffer_tempname . ' > ' . s:neotex_preview_tempname . ' && '
+	let b:neotex_jobexe .= fnameescape(expand('%:t')) . ' ' . s:neotex_buffer_tempname . ' > ' . s:neotex_preview_tempname . ' && '
 endif
 
-let b:neotex_jobexe .= 'pdflatex -jobname=' . expand('%:t:r') . ' -interaction=nonstopmode '
+let b:neotex_jobexe .= 'pdflatex -jobname=' . fnameescape(expand('%:t:r')) . ' -interaction=nonstopmode '
 if exists('neotex_pdflatex_add_options')
 	let b:neotex_jobexe .= g:neotex_pdflatex_add_options . ' '
 endif

rplugin/python3/neotex.py

@@ -11,7 +11,7 @@ def __init__(self, vim):
     def init(self, args):
         self.wait = False
         self.delay = self.vim.vars.get('neotex_delay', 1.0)/1000.0
-        self.latexdiff = bool(self.vim.vars.get('neotex_latexdiff',0))
+        self.latexdiff = bool(self.vim.vars.get('neotex_latexdiff', 0))
         self.tempname = args[0]
         self.vim
 
@@ -36,4 +36,5 @@ def write(self):
         exe = self.vim.eval('b:neotex_jobexe')
         with open(self.tempname, 'w') as f:
             f.write('\n'.join(buff))
-        self.vim.funcs.jobstart(exe)
+        self.vim.funcs.jobstart(['bash', '-c', exe],
+                                {'cwd': self.vim.funcs.expand('%:p:h')})