[elpa] externals/relint updated (0c35e02 -> 26639c5)

[Mattias Engdegård]

mattiase pushed a change to branch externals/relint.

      from  0c35e02   Increment version to 1.18
       new  a1ea26c   Check regexp arguments to more functions
       new  b572fcd   Run automatic tests on Emacs 27.1
       new  14a5135   Minor README correction
       new  8ee9f79   Avoid descending into .git/ when looking for .el files
       new  9173a91   Add progress indicator for interactive relint-directory
       new  1c66438   Add string-search and string-replace to the list of pure 
functions
       new  5720e12   Scan regexp arguments to functions in s.el
       new  7690e3a   Scan font-lock-defaults correctly
       new  4b78e14   Add table of contents to README, and some advice
       new  d0fa8a8   Fix false positives in regexp provenance checks
       new  29e5427   Recognise a few more `featurep` arguments
       new  c8fd922   Minor looking-at optimisation
       new  f0241bc   Increment version to 1.19
       new  5572c57   Emacs 26 compatibility: `directory-files-recursively`
       new  c792bde   Perform Emacs version check at compile time
       new  26639c5   Require xr 1.20


Summary of changes:
 .github/workflows/test.yml |   1 +
 README                     |  15 +++++-
 relint.el                  | 118 ++++++++++++++++++++++++++++++++++++---------
 test/2.elisp               |   9 +++-
 test/2.expected            |  55 +++++++++++++--------
 test/6.elisp               |   6 ++-
 test/6.expected            |  33 +++++++------
 test/9.elisp               |  22 +++++++--
 test/9.expected            |  18 ++++---
 9 files changed, 205 insertions(+), 72 deletions(-)