Public bug reported:
Release
=======
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Package version
===============
vim-latexsuite:
Installed: 1:1.9.0-1
Bug description
===============
When using (G)Vim 8.0 with latex-suite 1.9.0 on Ubuntu 18.04 LTS, with
latex-suite installed from Ubuntu's package repositories, using the F9 key for
\ref completion no longer works correctly in some circumstances.
This occurs when I have a \label within a figure environment, in which
case a Python error message briefly appears, then vanishes leaving an
empty __OUTLINE__ window. Removing the \label from the figure
environment restores the usual behaviour (showing labels to select for
insertion).
MWE:
\documentclass{article}
\begin{document}
\section{First}
\label{sec:first}
\subsection{Second}
\label{subsec:second}
\ref{sec:first}
\ref{}
\begin{figure}
\label{fig:figure}
\end{figure}
\end{document}
If I switch to insert mode and press F9 within the curly brackets for
the \ref command in the above example, then the error below occurs and
an empty __OUTLINE__ window is shown.
"__OUTLINE__" [New File]
line 23:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 191, in main
return getSectionLabels(lineinfo, label_prefix=label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 162, in
getSectionLabels
sections[0], sectypes[1:], section_prefix, label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 170, in
getSectionLabels
section_prefix + ('%d.' % sec_num), label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 170, in
getSectionLabels
section_prefix + ('%d.' % sec_num), label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 162, in
getSectionLabels
sections[0], sectypes[1:], section_prefix, label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 150, in
getSectionLabels
return getSectionLabels_Root(lineinfo, section_prefix, label_prefix)
File "/home/jcw1u14/.vim/ftplugin/latex-suite/outline.py", line 100, in
getSectionLabels_Root
cm = re.search(r'\caption(\[.*?\]\s*)?{(.*?)}', prev_txt)
File "/usr/lib/python3.6/re.py", line 182, in search
return _compile(pattern, flags).search(string)
File "/usr/lib/python3.6/re.py", line 301, in _compile
p = sre_compile.compile(pattern, flags)
File "/usr/lib/python3.6/sre_compile.py", line 562, in compile
p = sre_parse.parse(p, flags)
File "/usr/lib/python3.6/sre_parse.py", line 855, in parse
p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
File "/usr/lib/python3.6/sre_parse.py", line 416, in _parse_sub
not nested and not items))
File "/usr/lib/python3.6/sre_parse.py", line 502, in _parse
code = _escape(source, this, state)
File "/usr/lib/python3.6/sre_parse.py", line 401, in _escape
raise source.error("bad escape %s" % escape, len(escape))
sre_constants.error: bad escape \c at position 0
line 24:
Traceback (most recent call last):
File "<string>", line 1, in <module>
This is missing the last line of the message, since I needed to capture
it by resizing the window to make the error message paged.
If I comment out the \label in the figure environment, then press F9 in
the same place, then the error does not occur and the __OUTLINE__ window
contains the expected entries for the labelled sections.
According to discussion on the vim-latex github, this issue was fixed 2
years ago in commit 7d60db0 (https://github.com/vim-latex/vim-
latex/commit/7d60db044cc195ca26c97e3d0a2bde270bfd8f8f).
See https://github.com/vim-latex/vim-latex/issues/135 for the full
discussion of the issue.
The fix should be included in the latest release of Vim LaTeX-suite on
github (1.10.0). Can this package be upgraded to the latest release?
** Affects: vim-latexsuite (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1831989
Title:
F9 \ref completion fails when a \label is inside a figure environment
(fixed in 1.10.0)
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